Month: April 2025
The Origins, Evolution, and Future of a Decentralized Revolution
Introduction
While trying to understand cryptocurrency, I came across blockchain. I found that I understood even less about blockchain than I did about cryptocurrency. The following article is my attempt to explain blockchain to myself. If you have not read my earlier post The Rise of Cryptocurrency, doing so may be helpful for understanding this post.
Blockchain technology was once a niche topic among cryptographers and libertarians who hoped to be shielded from government scrutiny. It has since evolved into a global force reshaping how we think about data, transactions, and trust. Born in the wake of the 2008 financial crisis, blockchain offers a radical transparent alternative to traditional financial institutions.
Today, it underpins not only cryptocurrencies but also supply chains, voting systems, healthcare, and intellectual property. This article explores the history, mechanics, current applications, and future potential of blockchain technology.
1. Origins of Blockchain
- Who Created It? The modern concept of blockchain was introduced in 2008 by a pseudonymous developer (or group) known as Satoshi Nakamoto, in a white paper titled Bitcoin: A Peer-to-Peer Electronic Cash System. While Nakamoto’s identity remains unknown, the paper built on earlier work by cryptographers such as David Chaum (digital cash, 1980s) and Nick Szabo (“bit gold”).
- Why Was It Developed? Blockchain emerged in response to a global crisis of trust. The 2008 financial meltdown exposed the dangers of opaque, centralized financial systems. Nakamoto’s vision was a decentralized system that did not rely on trust and was an alternative where users wouldn’t need banks or governments to verify transactions.
- First Use Case: The original application of blockchain was Bitcoin—the first decentralized digital currency. Many people believe that Bitcoin evolved from blockchain, but in fact, blockchain was created to make Bitcoin feasible. Bitcoin’s blockchain acts as a transparent, time-stamped public ledger to prevent double-spending and centralized tampering.
- Key Innovation: The Chain of Blocks, at its core, blockchain is a distributed ledger where transactions are grouped into blocks. Each block is cryptographically linked to the one before it, forming a secure, tamper-resistant chain that is spread across many computer networks.
2. How Blockchain Works
Blockchain operates on several core principles:
- Decentralization: Data is stored across a network of nodes (think computers for simplicity) rather than a single server.
- Immutability: Once added, a block cannot be altered without changing all subsequent blocks.
- Consensus Mechanisms: Agreement is achieved through protocols like Proof of Work or Proof of Stake (explained below).
- Transparency with Pseudonymity: Transactions are visible to all but are tied to encrypted addresses—not personal identities.
3. Why Blockchain Is Secure
- Cryptographic Hashing: Each block contains a cryptographic hash (repeat) of the previous block’s data. A cryptographic hash is a mathematical function that takes an input (or “message”) and returns a fixed-size string of characters, which appears random. A discussion of it is well beyond the scope of this article (and my understanding as well). Even a tiny change in the data drastically changes the hash. Any tampering becomes immediately obvious, breaking the chain’s integrity.
- Decentralization: Every node on the network has a full copy of the blockchain. If a single node is altered, the change is rejected by the others. This makes coordinated attacks extremely difficult, especially on large networks.
- Consensus Mechanisms: Blockchain uses mathematical consensus to validate new blocks:
- Proof of Work (PoW): Used by Bitcoin; involves solving complex mathematical puzzles. A 51% attack (controlling most of the computing power) is prohibitively expensive and would cost far more than could be realized through manipulation of the blockchain.
- Proof of Stake (PoS): Used by Ethereum 2.0 and others; validators stake tokens, risking loss if they act dishonestly. This might be thought of as posting a bond.
- Immutability: Once a block is added and validated, it’s nearly impossible to alter. Changing one block would require rewriting all subsequent ones and redoing the work—an impractical task on any meaningful scale.
- Public and Private Key Cryptography: Each user has a private key (used to sign transactions) and a public key (used to verify them). This ensures only the rightful owner can authorize a transaction.
- Auditability: Most public blockchains are fully transparent. Anyone can audit the ledger, view transaction history, and verify balances—without relying on centralized authorities.
4. Current Uses of Blockchain
Blockchain’s applications now stretch across numerous industries:
- Finance Beyond Bitcoin:
- Ethereum introduced smart contracts and decentralized apps (dApps). Think of a smart contract as a digital vending machine. You put in a specific input (e.g., cryptocurrency), and the contract automatically performs a pre-programmed action (e.g., transfer of ownership, release of funds). No lawyer, banker, or notary is needed to oversee or verify the transaction.dApps are software programs that run on a blockchain or peer-to-peer network, rather than being hosted on centralized servers.
- Decentralized Finance (DeFi) enables peer-to-peer lending, borrowing, and trading without traditional intermediaries.
- Stablecoins (e.g., USDC, Tether) offer price stability by pegging cryptocurrencies to government backed currencies.
- Cross-border payments are cheaper and faster using blockchain.
- Supply Chain Transparency, companies like Walmart, IBM, and Maersk use blockchain for traceability. Example: Lettuce traced from farm to shelf helps speed up food recalls.
- Healthcare uses blockchain to secure medical records and track pharmaceuticals. Estonia integrates blockchain into its national health system.
- Voting and Governance is supported by trials, like West Virginia’s 2018 blockchain voting pilot, that aim to improve election transparency. Concerns remain about digital vote integrity and security.
- Digital Identity & Intellectual Property utilizesblockchaintoallowartists to use Non Fungible Tokens (NFT) to register digital ownership of art. An NFT is a unique digital asset that represents ownership or proof of authenticity of a specific item, such as artwork, music, video clips, virtual real estate, or even tweets, and it’s stored on a blockchain—a decentralized digital ledger. It is used for assets that have no physical existence. Think of it as owning the rights to a computer program.
- Self-sovereign identity systems are being developed by companies like Microsoft for developing user-controlled credentials.
5. Criticisms and Challenges
Despite its promise, blockchain faces significant obstacles:
- Scalability: Networks like Bitcoin can become slow and costly at high volumes.
- Energy Consumption: PoW systems have been criticized for their high carbon footprint. They make high demands on electrical grids and on water systems.
- Regulatory Uncertainty: Governments differ widely on how to regulate blockchain and crypto. International agreements will be necessary for advanced implementation but have not yet been established and in most cases have not even begun.
- Fraud & Hype: Scams and speculative investments have eroded public trust in some blockchain projects. Because of their decentralized structure, there’s no central authority to guarantee their security. Given that the philosophy behind blockchain is to avoid government oversight, this may always be a problem.
6. The Future of Blockchain
- Greener Alternatives: such asProof of Stake (e.g., Ethereum 2.0) significantly reduce energy use and improve scalability.
- Central Bank Digital Currencies (CBDCs): Countries like the U.S., China, and Sweden are considering, or in some cases piloting, digital currencies backed by governments and built on blockchain-like infrastructure.
- Tokenization of Real Assets allows real estate, art, and even wine to be digitally fractionalized, allowing more people to invest in historically exclusive markets.
- Interoperability of block chain means future systems will allow cross-blockchain communication, improving flexibility and usability across networks.
- Decentralized Autonomous Organizations (DAOs) can operate through smart contracts and community voting—no CEOs or managers required. Potential applications include governance, philanthropy, and startup funding.
Conclusion
So, do I now fully understand blockchain? Not hardly. But it is important to be aware of it and know that it will have a significant impact on our lives.
Blockchain is more than an esoteric new technology—it’s a reimagining of how trust, authority, and ownership work in a digital society. From its roots in cyber-activism to its integration into governments and corporations, blockchain is reshaping the way we do business.
Its future will depend on whether we manage its risks and harness its power responsibly. Done right, blockchain could form a core part of tomorrow’s digital infrastructure. Done poorly, it could become another overhyped fad that imposes additional burdens on society.
🔑 Key Takeaways
- Blockchain is a decentralized ledger that enhances transparency and trust.
- It started with Bitcoin but now spans many industries.
- Key strengths include immutability, transparency, and security.
- Major challenges include scalability, energy use, and regulatory ambiguity.
- The future could bring CBDCs, DAOs, interoperability, and asset tokenization.
What You Need to Know About This Silent Lung Disease
Chronic Obstructive Pulmonary Disease—better known as COPD—is one of the most common chronic illnesses affecting adults, particularly older adults, worldwide. And yet, it remains underrecognized until it’s well-advanced. In this post, we’ll break down what COPD is, how it develops, who’s at risk, what symptoms to watch for, how it’s treated, and what living with the disease may look like over time.
🚬 What Causes COPD?
At its core, COPD is an inflammatory condition that narrows the airways and damages the alveoli (the tiny air sacs in the lungs). The disease typically results from long-term exposure to lung irritants. Here are the main culprits:
- Smoking (cigarettes, cigars, pipes) – the #1 cause
- Occupational hazards – coal dust, fumes, silica, grain dust
- Indoor air pollution – wood-burning stoves, biomass fuel
- Outdoor pollution – especially in cities or industrial zones
- Genetics – especially a rare condition called alpha-1 antitrypsin deficiency
Most people who develop COPD are over age 40 and have a history of smoking, but it’s not exclusive to smokers.
🧬 How COPD Develops
In people with COPD, years of exposure to irritants cause chronic inflammation in the airways. This leads to:
- Swelling and narrowing of the air passages
- Destruction of alveolar walls (especially in emphysema)
- Increased mucus production (as seen in chronic bronchitis)
- Air trapping in the lungs, reducing oxygen exchange
It’s a slow and irreversible process. By the time symptoms appear, significant lung damage may have already occurred.
😮💨 Symptoms: What to Watch For
COPD symptoms often sneak up gradually and are easy to ignore or misattribute to aging. Common signs include:
- Persistent cough (especially one that produces phlegm)
- Shortness of breath (especially on exertion)
- Wheezing or noisy breathing
- Chest tightness
- Frequent respiratory infections
- Fatigue or lack of stamina
- Bluish lips or fingertips in later stages (a sign of low oxygen)
Episodes where these symptoms suddenly worsen are called exacerbations—and they can be serious.
🔬 How COPD is Diagnosed
The gold standard for diagnosis is a spirometry test.
📊 What’s the FEV1/FVC Ratio?
This simple lung test measures how much air you can force out in one second (FEV1) and the total amount you can exhale after a deep breath (FVC). If your FEV1/FVC ratio is less than 0.70, that’s a strong sign of airflow obstruction—a hallmark of COPD.
✅ Normal: FEV1/FVC ≥ 0.75–0.80
❌ COPD: FEV1/FVC < 0.70
Doctors may also order chest X-rays, blood oxygen tests, or CT scans to rule out other conditions or assess lung damage.
💊 Treating COPD: What’s Possible?
There’s no cure—but treatment can help you feel better, breathe easier, and live longer. Here’s how it’s managed:
🚭 1. Stop Smoking
This is the most important intervention. Quitting smoking slows progression—no matter what your stage.
🌬️ 2. Inhalers (Bronchodilators)
These help open narrowed airways. There are short-acting types for quick relief and long-acting types for daily control.
🌡️ 3. Inhaled Steroids
Used to reduce inflammation and prevent flare-ups, especially for people who have frequent exacerbations.
🏃♂️ 4. Pulmonary Rehab
A supervised program that includes exercise training, nutrition advice, and education. Proven to improve quality of life.
🧪 5. Oxygen Therapy
Recommended if blood oxygen is low. Some people need it 24/7; others only during activity or sleep.
😷 6. Surgical Options
Rarely, procedures like lung volume reduction or lung transplants are used in severe cases.
📈 How COPD Progresses
The GOLD system stages COPD into four levels based on spirometry and symptom severity:
| Stage | FEV1 % Predicted | Description |
| I | ≥80% | Mild |
| II | 50–79% | Moderate |
| III | 30–49% | Severe |
| IV | <30% | Very Severe |
As COPD worsens, daily tasks like climbing stairs, shopping, or even talking can become exhausting. Exacerbations may increase in frequency and severity.
⏳ What’s the Outlook?
COPD is a chronic, lifelong condition. But the prognosis varies:
- If caught early and managed well, many people live long, active lives.
- If left untreated, it can lead to respiratory failure, heart problems, and frequent hospitalizations.
- Advanced cases can progress to Cor pulmonale (right-sided heart failure) which may develop due to chronic low oxygen levels and pulmonary hypertension.
- Respiratory failure can occur in advanced stages, requiring mechanical ventilation.
Doctors sometimes use a tool called the BODE Index to estimate risk. It includes:
- Body mass index (low BMI = worse outlook)
- Obstruction (how bad the lung damage is)
- Dyspnea (breathlessness level)
- Exercise tolerance (walking distance)
🛠️ The Bottom Line
COPD is common, serious, and often preventable. If you have a chronic cough, get winded easily, or have a history of smoking or exposure to lung irritants, talk to your doctor about spirometry testing.
Lifestyle changes, especially quitting smoking, make the biggest difference. Medications and rehabilitation programs can dramatically improve your quality of life.
Early action matters—and it’s never too late to start breathing better.
📚 References
- CDC COPD Facts https://www.cdc.gov/copd/index.html
- NIH – National Heart, Lung, and Blood Institute https://www.nhlbi.nih.gov/health/copd
- GOLD COPD Guidelines https://goldcopd.org/
The Wild Delicacy with a Pungent Reputation
Introduction
Every spring, frenzy erupts in the forests of Appalachia. It’s ramp season—the time of year when foragers, chefs, and food lovers alike scramble for a taste of Allium tricoccum, better known simply as “ramps.” These wild leeks are native to eastern North America and have been part of regional cuisine, especially in the Appalachian Mountains, for generations. But while ramps are beloved by some for their intense flavor, others object to their strong odor. More recently, there has been controversy over the ethics of harvesting them.
Where do you find ramps?
Ramps typically grow in rich, moist woodlands from Georgia to Canada, with a heavy concentration in the Appalachian region, including West Virginia, Kentucky, Tennessee, and North Carolina. They thrive in shady spots, often under beech, birch, or maple trees. Patches of ramps emerge in early spring, usually from late March to early May, depending on elevation and latitude. The plant resembles a small scallion, with smooth, broad leaves and a purplish stem. Both the leaves and the bulb are edible, and they carry a flavor often described as a cross between garlic and onion.
Traditionally, ramps were harvested by hand, with foragers pulling up the whole plant, bulb and all. However, the surge in popularity—fueled in part by chefs and food writers discovering their unique taste—has led to overharvesting in some areas. Today, sustainable harvesting practices are strongly encouraged. These include taking only one leaf per plant or harvesting just a small portion of any given patch to allow for regeneration. In some public lands, such as national parks, ramp harvesting is now restricted or banned altogether due to conservation concerns.
What do you do with them?
The bulb of the ramp—the white, root-like portion at the base—has the strongest odor and flavor. That’s where the pungent, garlicky-onion aroma really hits its peak. It’s rich in sulfur compounds (like those found in garlic), which is why the smell can linger on your breath—and in your kitchen—for days.
The leaves, in contrast, are milder and more herbaceous. They still carry that signature ramp flavor, but with a fresher, greener tone. Many foragers actually prefer using the leaves for things like pestos and sautés, partly to preserve the plant (since you can harvest one leaf and leave the bulb) and partly for the gentler taste.
So, if you’re after full-on ramp intensity, go for the bulb. If you want a subtler approach (or plan to be around other people), stick with the leaves.
As for how ramps are used, they’re astonishingly versatile. In traditional Appalachian kitchens, ramps are often fried with potatoes or scrambled with eggs. Ramps will frequently appear in Southern dishes like pimento cheese, corn bread, and brown beans. Modern chefs toss them into pastas, pickle them, or char them on the grill. More recently, ramps have appeared in pesto, risotto, and aioli. I recently tried ramp waffles with ramp butter—not a fan. I have also seen ramp wine and ramp ice cream but I’m not ready to try them.
The flavor is bold (some say obnoxious) and lingering—fans adore it, but detractors complain that it overstays its welcome. The smell of raw ramps has been compared to extremely potent garlic and eating them can leave a person with a powerful body odor for days. Some schools and workplaces in ramp-happy regions unofficially discourage bringing them for lunch. When I was younger, I remember kids being sent from school after eating too many ramps. I thought about it, but decided school wasn’t as bad as living with ramp odor.
The ramp’s cult-like status has sparked a larger conversation about food ethics and cultural respect. For many Appalachian communities, ramps are more than a trendy ingredient; they’re a cherished sign of spring, rooted in local tradition and memory. Commercialization by outside markets has created tension between tradition and profit, raising questions about who gets to define their value.
In the end, ramps remain a symbol of Appalachia’s deep culinary roots—an edible wild treasure that’s as complex in its social meaning as it is in taste. Whether you’re a die-hard fan or someone who politely passes on the smell or someone who makes every effort to avoid them, ramps are a reminder that even humble woodland plants can stir strong opinions.
What Is It, How It Does It Work, and Who’s Using It?
I’ve never really understood cryptocurrency and as a result I haven’t paid much attention to it. Recently Donald Trump signed his Executive Order “Strengthening American Leadership in Digital Financial Technology. The Executive Order established the “Presidential Working Group On Digital Asset Markets”, to explore the creation of a national digital asset (cryptocurrency) stockpile.
That’s when I decided it was time to find out more about it. And, being a guy, my first thought was to just go and buy some. It turned out to be a little more complicated than walking into your local bank and asking to buy a Bitcoin.
To begin with, the current value of a Bitcoin is in excess of $83,000. Most cryptocurrency exchanges allow fractional purchases, some as low as $10. The transaction fee will run about 20% of a small purchase, so it may not be a particularly good investment at that level. The fee is a lower percentage for larger purchases.
You can purchase cryptocurrency such as Bitcoin through cryptocurrency exchanges. There are at least three reputable platforms available in the United States. Bitcoin can also be purchased in small amounts through PayPal and Venmo.
Once you’ve made your purchase, you’ll have to have a Bitcoin wallet, where you will store your Bitcoins. A digital wallet is like a bank account for Bitcoins but with highly sophisticated security. There are two primary types. The custodial wallet is managed by a third-party service and is easy to use, but you don’t control the privacy keys—a serious consideration if you are making a large purchase. There are the non-custodial wallets where you have full control over your privacy key. The most common of these is the Bitcoin.com wallet. It’s user friendly and mobile according to its website.
One thing to consider. Bitcoin purchases for the most part require full identification including Social Security number. This is based on money laundering regulations. The only exception to this is the Bitcoin ATMs (vending machines) that usually only require a driver’s license number and a cell phone number. However, only very small purchases are available through these ATM’s.
Cryptocurrency may seem like a recent invention, but the ideas behind it go back several years. Today, it’s more than a buzzword, it’s a financial tool, an investment asset, and for some, even a national currency. In this post, we’ll explore where crypto came from, how it gets its value, how it’s used in the real world, and which governments (if any) treat it like real money.
Where It All Began: The Origin of Cryptocurrency
Cryptocurrency’s origin begins with a previously unknown person—or possibly a group—known only as Satoshi Nakamoto. In 2008, Nakamoto published a white paper titled “Bitcoin: A Peer-to-Peer Electronic Cash System.” A few months later, in January 2009, the Bitcoin network was officially launched with the mining of the first block, called the Genesis Block. This marked the birth of the world’s first viable cryptocurrency, Bitcoin.
The purpose was to create a form of money that could operate without the control of governments or financial institutions. Bitcoin was designed to be decentralized, transparent, and secure—made possible by blockchain technology. The blockchain is a digital ledger, distributed across thousands of computers, that records every transaction made in the network. Once data is entered, it’s nearly impossible to change—giving it an edge over traditional banking records when it comes to fraud prevention. Earlier attempts to develop a digital currency like eCash and b-money failed because they couldn’t solve the problem of security: protecting their crypto from unauthorized duplication.
By 2011 Nakamoto vanished, leaving a final message that they had moved on to other things. Nakamoto is believed to have mined about 1,000,000 bitcoins which are still sitting untouched in a known wallet address. At today’s prices Nakamoto’s Bitcoins are worth billions. Why did Nakamoto do it? No one knows.
What Gives Crypto Its Value?
One of the most common questions about cryptocurrency is: “What gives it value?”
Unlike the U.S. dollar, which is backed by the full faith and credit of the government (called a fiat currency in modern financial jargon), most cryptocurrencies are not backed by a either a physical commodity or government guarantee. Instead, their value comes from a mix of:
- Scarcity: Most cryptocurrencies have a cap on how many coins can exist. For example, Bitcoin is limited to 21 million coins. That built-in scarcity is one reason why people compare it to gold.
- Utility: A coin that can be used for more than just speculation—such as transferring money quickly or executing smart contracts—tends to be more valuable.
- Network Adoption: The more people who use or invest in a cryptocurrency, the more valuable it tends to become. This is often called the “network effect.”
- Speculation: Let’s be honest, a lot of crypto value is driven by people buying low and hoping to sell high. That makes crypto prices volatile, which is both a risk and a reward depending on your timing.
Cryptos like Bitcoin and its major competitor Ethereum gain and lose billions in value in a single day, driven by news, regulation, and even tweets.
Bitcoins are generated through dedicated blockchain technology which ensures their safety and prevents them from being duplicated. As a result, many people view them as a store of value (digital gold). They can also be used as a medium of exchange although that is less common due to volatility and high transaction fees.
There’s another type of cryptocurrency called the meme coin. They often start as jokes or are done by some people as a source of revenue. They have little or no real-world use. They rely on community hype and social media to generate popularity and value. They don’t have their own blockchain, instead they’re built on top of existing platforms. They’re usually created quickly with minimal technical barriers and their security and functionality vary widely.
The best-known meme coin is the $TRUMP coin. It was released just before Donald Trump’s inauguration. A $TRUMP coin reached a high of $75.35 on January 19th, 2025, but it quickly lost almost all value. A $TRUMP coin is currently worth about 27 cents. The Trump family and their associates made millions on transaction fees while investors lost massively in the market. I would not consider meme coins as a real invetment. If you purchase one, consider it as a hobby.
A new advancement in the cryptocurrency scene is the Stablecoin. This type of cryptocurrency is designed to maintain a stable value. It is usually pegged to a traditional asset like the US dollar, the Euro or perhaps gold. The goal is to offer the benefits of cryptocurrency, like fast digital transactions and decentralized access, without the wild price swings seen with other coins like Bitcoin.
Most Stablecoins are backed in one of three ways:
- Fiat backed (most common): for example, for every Stablecoin issued a dollar (or equivalent) is held in reserve. This could be considered a digital version of cash held in a bank account.
- Crypto backed: Each Stablecoin is backed by other crypto currencies but is usually over collateralized to guard against volatility. For example, $150.00 worth of a regular cryptocurrency is held to issue $100 worth of Stablecoin.
- Algorithmic: Stablecoin uses software and smart contracts to control the coin supply and keep the price stable with no actual reserve assets. The most famous example of this was TerraUSD which had a spectacular collapse in 2022.
Stablecoins are designed to a hedge against volatility in the standard crypto markets. They provide the same fast cheap international payments as other cryptocurrency and can provide dollar like stability in countries with unstable currencies. Fiat based coins are generally seen as more reliable because they are frequently audited and are regulated more closely. Others, especially algorithmic ones, have greater risk.
How Is Cryptocurrency Used?
People use cryptocurrency in several different ways, and the list is growing:
1. Digital Payments
Crypto was originally created to be a medium of exchange. Some online and brick-and-mortar retailers accept Bitcoin, Ethereum, or other coins. Services like PayPal and Cash App also allow crypto transactions. However, due to high transaction fees and slow processing times (especially for Bitcoin), it’s not exactly the most convenient way to buy your morning coffee.
2. Investment and Speculation
Most people today use crypto as an investment. Others trade coins daily to make quick profits, a practice known as day trading. Like with the stock market, day trading is a risky business—crypto prices can swing wildly based on rumors or regulatory changes.
3. DeFi (Decentralized Finance)
DeFi is a rapidly growing branch of the crypto world. It allows people to borrow, lend, and earn interest on crypto without going through banks. Platforms like Uniswap and Aave are examples of DeFi services that operate on Ethereum’s blockchain.
4. NFTs and Digital Ownership
A non-fungible token (NFT) is a unique digital asset that represents ownership or proof of authenticity of a specific virtual item, such as artwork, music, video clips, virtual real estate, or even tweets, that is stored on a blockchain—a decentralized digital ledger. Its uniqueness is encoded in metadata and tracked on the blockchain, allowing anyone to verify who owns a particular NFT and ensuring that it can’t be duplicated or counterfeited. (It is beyond me why anyone would spend real money for virtual ownership.)
5. Remittances
Crypto can be a low fee way to send money across borders, especially to countries where banking systems are weak or expensive. Some developing nations have embraced this use enthusiastically.
Is Any Government Using It as Legal Tender?
Yes—but just one (so far): El Salvador.
In September 2021, El Salvador became the first country in the world to adopt Bitcoin as legal tender. That means businesses must accept it alongside the U.S. dollar (which is also legal tender there). The country launched a national crypto wallet called “Chivo,” gave citizens a $30 bonus in Bitcoin to download it, and is even planning “Bitcoin City,” powered by geothermal energy from a volcano.
The move has been controversial. Critics argue Bitcoin’s volatility makes it a poor substitute for cash. Citizens have complained about wallet bugs and transaction errors. On the other hand, the government sees it as a way to attract foreign investment and reduce dependence on traditional banks.
Despite rumors to the contrary, there is no evidence that the US is using Bitcoin to pay El Salvadore to imprison US deportees.
More recently, the Central African Republic is in the process of declaring Bitcoin legal tender, but with far less fanfare and infrastructure than El Salvador. Other countries, like Ukraine, have legalized the use of crypto for payments but stop short of declaring it legal tender. Most other nations take a cautious or skeptical approach.
Is It Real Money?
That depends on how you define money.
Cryptocurrency satisfies some of the classic definitions: it’s a medium ofexchange, a store of value, and (sometimes) a unit of account. But most governments still don’t recognize it as “money” in the legal sense. In the U.S., the IRS treats crypto as property for tax purposes, not as currency. That means every time you buy a coffee with Bitcoin, you technically owe capital gains tax if it’s gone up in value since you bought it.
The Federal Reserve and other central banks are exploring Central Bank Digital Currencies (CBDCs) as an official alternative. These would be government-backed digital dollars, unlike Bitcoin, which is decentralized. Think of it as crypto with guardrails.
Final Thoughts
Cryptocurrency is still in its Wild West phase. It’s a fascinating mix of finance, technology, and ideology. While it’s unlikely to replace national currencies anytime soon, it’s already reshaping how people think about money, investing, and even trust in future assets.
Will more countries follow El Salvador’s lead? Will governments roll out their own digital currencies? Or will crypto remain a fringe asset class for techies and risk-takers? That’s still up in the air—but one thing’s for sure: crypto is no longer just a financial experiment. But I must wonder how good an investment it is if you can buy crypto from a vending machine in a convenience store.
Am I ready to jump into the crypto market? I don’t think so — at least not yet. Well, maybe a few dollars just for fun.
Prostate Cancer: An Introduction
Prostate cancer is one of the most common cancers among men; the American Cancer Society estimates that approximately one in eight men will be diagnosed with it at some point in their lives.
Prostate cancer is the second leading cause of cancer death in men, after lung cancer. However, most men diagnosed with prostate cancer do not die from the disease.
The five-year survival rate for localized and regional prostate cancer is nearly 100%, thanks to advances in early detection and treatment. Even for men with more advanced disease, treatments such as hormone therapy, radiation, and newer systemic therapies have improved survival outcomes; still, in some cases, prostate cancer can be aggressive and life-threatening.
That said, prostate cancer remains a significant public health concern. The American Cancer Society estimates that approximately 34,000 men in the U.S. died from prostate cancer in 2024. The risk of death increases with more aggressive cancer types, higher Gleason scores, and cancer that has spread to distant organs such as the bones.
In this article we will explore key aspects of prostate cancer, including diagnostic tools such as PSA and the Gleason score, the various treatment options available, and the debate surrounding prostate cancer screening, particularly for men over 70.
Prostate-Specific Antigen (PSA) Test: A Controversial Screening Tool
One of the primary tools used to screen for prostate cancer is the prostate-specific antigen (PSA) blood test. PSA is a protein produced by both normal and cancerous prostate cells, and elevated levels of PSA in the blood can indicate the presence of prostate cancer. However, an elevated PSA level does not always mean cancer is present, as benign conditions like prostatitis (inflammation of the prostate) or benign prostatic hyperplasia (BPH, an enlarged prostate) can also cause high PSA levels.
The PSA test has been at the center of much debate over the past few decades. On the one hand, it has undoubtedly led to earlier detection of prostate cancer, sometimes before any symptoms appear. On the other hand, the PSA test is not a perfect screening tool. It can lead to overdiagnosis and overtreatment of cancers that may never have become clinically significant. Many prostate cancers grow so slowly that they would not have caused harm during a man’s natural lifespan, yet once detected, patients may undergo unnecessary treatments with side effects such as urinary incontinence and erectile dysfunction.
Because of these limitations, the decision to undergo PSA screening should be made after a thorough discussion between the patient and his healthcare provider, considering individual risk factors such as age, family history, and race. Additionally, prostate cancer tends to develop at a younger age in African American men and it is generally recommended that consideration be given to initiate screening beginning around age 45, or even earlier if there’s a strong family history. Additionally, African American men are more likely to be diagnosed with aggressive forms of prostate cancer, leading to poorer outcomes.
In a prior post on medical guidelines, I discussed my personal experience with PSA screening and my diagnosis with prostate cancer.
The Gleason Score: A Key Factor in Diagnosis
Once a prostate cancer diagnosis is confirmed, typically via biopsy, one of the most important prognostic tools is the Gleason score. The Gleason score is a grading system that assesses the aggressiveness of prostate cancer cells under a microscope. Pathologists examine the prostate tissue samples and assign two numbers based on the appearance of the cancer cells. The appearance of cancer cells is evaluated, and each area of abnormal cells is assigned a number on a scale from 1 to 5, with 5 being the most abnormal. (In clinical practice today, grades 1 and 2 are almost never used.) The first number is the most common area, and the second number is the next most common. These two numbers are then added together to give a composite Gleason score between 6 and 10. There is one caveat; not all scores are equal. For example, while 4 + 3 and 3 + 4 both produce a score of 7, the former is more significant because its most common area is of a higher grade.
- A Gleason score of 6 typically indicates low-grade cancer that is less likely to spread and may grow slowly.
- Scores of 7 suggest an intermediate risk, with some potential for more aggressive growth.
- Scores of 8 to 10 represent high-grade cancer that is more likely to grow quickly and spread to other parts of the body.
The Gleason score plays a crucial role in determining treatment options. For instance, low-grade cancers may be candidates for active surveillance, where the patient is closely monitored without immediate treatment. In contrast, high-grade cancers may require more aggressive intervention, such as surgery or radiation therapy. It is also important to recognize that a biopsy may miss an area of high-grade tumor giving an artificially low Gleason score, although with modern use of MRI this is less likely.
Treatment Options
Prostate cancer treatment decisions depend on several factors, including the Gleason score, PSA level, the stage of the cancer (whether it has spread beyond the prostate), the patient’s overall health, and personal preferences.
1. Active Surveillance
Active surveillance is often recommended for men with low-risk prostate cancer, especially those who are older or have other significant health problems. Instead of immediate treatment, the patient is closely monitored with periodic PSA tests, digital rectal exams (DRE), and biopsies to detect any signs of progression. The goal is to avoid over-treatment while keeping a close eye on the cancer in case it becomes more aggressive.
2. Surgery (Radical Prostatectomy)
For men with localized prostate cancer, especially those with higher Gleason scores or younger patients, surgery may be recommended. A radical prostatectomy involves removing the entire prostate gland and some surrounding tissues. While surgery offers the potential for a cure, it comes with risks of side effects such as incontinence and erectile dysfunction, depending on factors such as nerve preservation during the procedure. The newer robotic surgical techniques have fewer side effects than the older open technique.
3. Radiation Therapy
Radiation therapy is another option for treating localized or locally advanced prostate cancer. External beam radiation or brachytherapy (internal radiation) can target the cancerous cells while sparing healthy tissue. Radiation therapy is often used as an alternative to surgery or in combination with other treatments. The side effects are similar to those of surgery, including urinary and sexual dysfunction, though the timing and severity of these side effects may differ.
4. Hormone Therapy (Androgen Deprivation Therapy, or ADT)
Prostate cancer growth is often fueled by androgens, the male hormones such as testosterone. Hormone therapy aims to lower androgen levels or block their effects on prostate cancer cells, which can slow the growth of the cancer. Hormone therapy is typically used in cases where the cancer has spread beyond the prostate or recurred after previous treatment. It may also be used in combination with radiation for high-risk cancers.
5. Chemotherapy and Other Systemic Treatments
For men with advanced prostate cancer that has spread to other parts of the body (metastatic cancer), chemotherapy may be an option. Other newer treatments, such as immunotherapy and targeted therapies, are being developed to improve outcomes for patients with advanced disease.
The Age 70 Screening Debate
One of the most debated topics in prostate cancer screening is when to stop PSA testing. Many organizations, including the U.S. Preventive Services Task Force (USPSTF), recommend that routine PSA screening should generally stop at age 70. The rationale behind this recommendation is that prostate cancer often grows very slowly, and older men are more likely to die from other causes before prostate cancer becomes life-threatening. Moreover, the risks of treatment often outweigh the benefits for older men with low-risk cancers.
However, this recommendation is not without controversy. Some experts argue that healthy older men, particularly those with a life expectancy of 10 years or more, should continue to be screened because they may still benefit from early detection and treatment. Discontinuing screening might result in missing aggressive cancers that could benefit from early intervention. Some studies suggest that older men who continue screening are less likely to be diagnosed with high-risk disease.
As with other aspects of prostate cancer care, the decision should be individualized based on the patient’s health, preferences, and overall risk profile.
Conclusion
Prostate cancer is a complex disease with a wide range of outcomes, from slow-growing tumors that may never cause harm to aggressive cancers that can be fatal. Screening and diagnostic tools such as the PSA test and Gleason score are valuable, but they must be used carefully to avoid over-diagnosis and over-treatment. Treatment options range from active surveillance to surgery and radiation, and the choice depends on the individual patient’s cancer characteristics and overall health. Finally, the decision to stop PSA screening at age 70 should be made on a case-by-case basis, with the goal of balancing the benefits of early detection against the potential harms of treatment.
Prostate cancer is a serious diagnosis, but with appropriate screening and treatment, many men can live long and healthy lives.
Robert C. Byrd and Donald Trump
By John Turley
On April 29, 2025
In Commentary, Politics
A Clash of Constitutional Visions
Senator Robert C. Byrd was a West Virginia icon and it’s always risky to speculate on what a historic figure may have thought. However, many of Senator Byrd’s beliefs are well documented and I believe I can make reasonable assumptions about what he may have thought about our current political situation. Having served in the U.S. Senate over 51 years, from 1959 until his death in 2010— he would likely have viewed Donald Trump with deep concern, particularly in light of Byrd’s reverence for constitutional process, institutional norms, and congressional authority. He was known for his deep knowledge of Senate rules, fierce defense of the institution, and commitment to constitutional processes.
Here is my reasoned assessment of what Robert Byrd might have thought of Donald Trump, based on his record, writings, and public statements.
Byrd was a passionate constitutionalist and institutionalist. He always carried a pocket Constitution, lectured on its principles, and wrote extensively about the importance of maintaining the Senate’s independence as a check on executive power. He frequently warned against presidential overreach, even when it came from presidents in his own party.
I believe Byrd would probably have seen Trump’s frequent challenges to the separation of powers—such as ignoring congressional subpoenas, attempting to overturn the 2020 election, and asserting sweeping executive privilege—as a threat to the constitutional order.
Byrd idealized Senate decorum and was known for his formal oratory. He disliked crassness, impulsiveness, and public vulgarity. He once rebuked his colleagues for casual dress on the Senate floor.
Trump’s coarse rhetoric, personal insults, and use of Twitter to attack opponents would likely have appalled Byrd. He believed public office carried with it a solemn responsibility to elevate public discourse. In 1999, Byrd criticized President Clinton not just for the Monica Lewinsky scandal, but for diminishing the dignity of the office.
Though Byrd was a master of local politics and brought billions in federal dollars to West Virginia, he also warned against demagoguery. He valued political rhetoric grounded in principle, not spectacle. While Byrd might have appreciated Trump’s appeal to working-class Americans, he would likely have distrusted his populism as it comes at the expense of facts, reason, or institutional integrity.
Byrd’s own history on race is complicated. A former member of the KKK in the 1940s, he spent the latter decades of his career renouncing that association and supporting civil rights legislation. He called his early beliefs a great shame. Byrd’s political journey included dramatic personal change: from early segregationist and KKK member to a vocal supporter of civil rights and of the first Black presidential nominee, Barack Obama. Byrd likely would have been disturbed by Trump’s equivocations after Charlottesville and by rhetoric seen as racially divisive. Byrd worked hard to overcome his past and likely would have seen such behavior as regression rather than progress.
Byrd was one of the Senate’s strongest voices against the Iraq War, citing constitutional concerns over unchecked executive power in foreign affairs. He believed Congress must assert itself in matters of war and peace. Trump’s erratic foreign policy decisions—such as wavering defense commitments, transactional diplomacy, and overtures to authoritarian leaders—would likely have seemed reckless and unilateral to Byrd.
Senator Robert Byrd, though an institutional conservative in many ways, would likely have seen Donald Trump as a figure undermining the very traditions, checks, and civic virtues Byrd spent his career defending. His critique wouldn’t have been partisan—it would have been constitutional.
“The Constitution is not a pliable instrument to be molded and twisted at the whim of the President. It is our compass. It is our anchor.” — Robert C. Byrd