Read original post

Bitcoin Mining: Facts and Figures

Bitcoin mining is an essential process to the function of the Bitcoin network. Mining involves validating transactions and adding them to the blockchain, a public ledger. Miners compete to produce cryptographic hashes, and the first to produce a hash below the network difficulty target gets to add a new block to the ledger and is rewarded with newly minted bitcoins plus the fees attached to the transactions in the block.

As of the latest data, the Bitcoin network's energy consumption is a subject of debate. The Cambridge Bitcoin Electricity Consumption Index (CBECI) estimates that Bitcoin's annualized total electricity consumption is around 128 terawatt-hours (TWh), which is a fraction of the total global energy consumption. The energy sources for Bitcoin mining vary widely, with some mining operations using renewable energy and others relying on fossil fuels.

Mining hardware has also become more energy-efficient over time, which can reduce the overall energy consumption of the network despite the growing amount of mining activity.

Media Narratives on Bitcoin Mining

The mainstream media's depiction of Bitcoin mining has often been critical, focusing on the environmental impact of the energy consumption associated with mining activities. Articles with headlines suggesting that Bitcoin mining's energy usage is on a trajectory to consume all the world's energy have been proven to be hyperbolic as the predicted scenario did not materialize.

Another common narrative is the assertion that inflation can be beneficial to the majority while being detrimental to the wealthy. However, economic data suggests that inflation tends to disproportionately affect the purchasing power of the working and middle classes, as they spend a larger portion of their income on goods and services whose prices are rising.

Environmental Impact: The Bigger Picture

While much of the focus is placed on Bitcoin's energy usage, it is essential to consider the environmental impact of all forms of energy production. Renewable energy sources, such as wind and solar, also have their environmental trade-offs. For example, the production and disposal of solar panels and wind turbines pose challenges, such as habitat disruption and waste management.

Additionally, the mining of lithium, which is vital for battery production used in many renewable energy storage solutions, has raised concerns about environmental degradation and exploitation in developing countries.

Media Responsibility and Accountability

It is the responsibility of journalists to provide balanced coverage of complex issues. This entails reporting not only on the challenges posed by technologies like Bitcoin mining but also on the potential benefits, such as the role of mining in providing a stable demand for electricity which can support the development of renewable energy infrastructure.

Critics have accused some media outlets of selectively presenting information to support specific narratives. Instances where media outlets have been called out for manipulating images or misrepresenting data to highlight negative aspects of Bitcoin mining have been discussed in various forums.

Conclusion

In conclusion, the topic of Bitcoin mining and its environmental impact is multifaceted. While it is crucial to acknowledge the energy consumption associated with Bitcoin mining, it is equally important to recognize the advancements in energy efficiency and the potential for mining to support renewable energy development. Moreover, a fair comparison with the environmental impacts of other energy-intensive industries and technologies is necessary for informed discourse.

The role of the media is to provide accurate, balanced reporting that allows the public to form their own opinions based on a comprehensive set of facts. In an era where information is rapidly disseminated and often polarized, the need for objective journalism is more critical than ever.

Read original post

Bitcoin, the best form of money the world has ever known, has been subject to scrutiny and criticism by various financial institutions and individuals within the banking sector. High-profile bankers and investors such as Warren Buffett and Jamie Dimon have publicly shared their reservations about bitcoin, often citing concerns over its utility, legitimacy, and environmental impact.

Bankers' Perspectives on Bitcoin

Warren Buffett, the CEO of Berkshire Hathaway, has been vocal about his skepticism regarding bitcoin, likening it to "rat poison squared." Buffett's stance on bitcoin is reflective of a broader uncertainty within traditional banking circles about the cryptocurrency's role in the financial system.

Jamie Dimon, CEO of JPMorgan Chase, has also expressed a less than favorable view of bitcoin, referring to it as a "pet rock." Dimon's comments often highlight concerns over bitcoin's association with illicit activities and its volatility as a financial instrument.

[

Jamie Dimon Thinks Bitcoin Should Be Banned

Yesterday morning, executives from the largest banks in the nation were on Capitol Hill for a hearing with the Senate Banking, Housing and Urban Affairs Committee to give the Senate some perspective on what they are seeing in the market.

TFTC – Truth for the CommonerMarty Bent

](https://tftc.io/jamie-dimon-thinks-bitcoin-should-be-banned/)

These criticisms come against the backdrop of the 2008 financial crisis, during which major financial institutions received government bailouts. This historical context is important in understanding the current dynamics between traditional banking and the emerging cryptocurrency market.

Bitcoin and the Environment

The environmental impact of bitcoin mining has been a point of contention. The European Central Bank (ECB) has been reported to consider bitcoin as environmentally harmful and a possible threat to EU energy security. This perspective is linked to the high energy consumption required for cryptocurrency mining, which relies on a proof-of-work mechanism.

In contrast, proponents of bitcoin argue that cryptocurrency mining can utilize excess or wasted energy and may even incentivize the development of renewable energy sources. However, this claim is subject to debate, and comprehensive data on the environmental footprint of bitcoin mining is still evolving.

Regulatory Landscape

Regulations around bitcoin and cryptocurrency mining vary significantly across regions. There are concerns that the European Union may impose strict regulations on bitcoin mining or potentially ban bitcoin due to environmental concerns. In contrast, the United States has seen financial giants such as BlackRock introduce bitcoin-related products, signaling a more accepting stance toward cryptocurrencies.

The regulatory environment is critical in shaping the adoption and integration of bitcoin into the broader financial ecosystem. As of now, the direction and extent of regulatory measures remain uncertain, with countries taking disparate approaches to manage the perceived risks and benefits of cryptocurrencies.

Conclusion

The relationship between traditional banking and bitcoin is complex, characterized by a mix of skepticism, regulatory challenges, and contrasting perspectives on the cryptocurrency's value and impact. While some bankers and financial experts criticize bitcoin for its perceived shortcomings, others are exploring ways to integrate it into the existing financial landscape.

The future of bitcoin in relation to traditional banking and the global economy will likely continue to evolve, influenced by technological advancements, regulatory decisions, and shifts in public sentiment. As with any emerging technology, the long-term implications of bitcoin and cryptocurrencies will become clearer with time and experience.

Read original post

The Bitwise Bitcoin ETF (ticker: BITB) has recently marked a significant milestone in the cryptocurrency industry by becoming the first US Bitcoin ETF to publicly disclose the Bitcoin addresses holding its assets. This transparency move allows for verification of actual Bitcoin holdings, a critical factor in assessing the trustworthiness and security of such financial products.

Bitcoin ETFs and Asset Backing

A Bitcoin ETF is an exchange-traded fund that tracks the price of Bitcoin and allows investors to trade shares of the ETF on traditional stock exchanges. One of the concerns with Bitcoin ETFs has been whether they are backed by real BTC as collateral, or if they represent shares backed by "imaginary" BTC, drawing parallels to suspicions around gold ETFs.

The Bitwise Bitcoin ETF has demonstrated a robust approach to collateralization, as it appears to be holding more Bitcoin than required for the underlying shares. This makes it an over-collateralized ETF, arguably one of the safest based on collateral measures.

Public Address Disclosure

Bitwise has published the relevant Bitcoin addresses, which can be verified through blockchain explorers. As of the reporting, these addresses held approximately 12,338 Bitcoin, with a market value of around $510 million. The transparency of Bitcoin's blockchain allows anyone to view the transactions, including the meme-inspired amounts of 69 or 42069 satoshis (satoshis being the smallest Bitcoin unit).

Announcement: Today the Bitwise Bitcoin ETF (BITB) becomes the first U.S. bitcoin ETF to publish the bitcoin addresses of its holdings.

Now anyone can verify BITB's holdings and flows directly on the blockchain.

Onchain transparency is core to Bitcoin's ethos. We're proud to… pic.twitter.com/1JTUh3zvDE

— Bitwise (@BitwiseInvest) January 24, 2024

Potential Risks

Despite the increased transparency, there are potential risks to consider. Public addresses expose the ETF to unsolicited transactions, which could include bitcoins from addresses sanctioned by the OFAC. Additionally, the use of a single signature address, as opposed to native Bitcoin multisig, may pose security concerns. Moreover, proof of reserves does not necessarily guarantee exclusive access or prevent the double pledging of collateral.

in the past two days, our bitcoin etf received 998,085 sats (~$419) across 35 utxos

its negligible compared to the AUM (~$511 million as of yesterday) but those sats are added to NAV and accrue to the benefit of shareholders

if any sats are sent to us from ofac sanctioned… https://t.co/Bw2SWuXnVg

— Hong Kim (@hongkim__) January 26, 2024

Bitcoin's Transparency vs. Privacy

The discussion around Bitwise's ETF also touches on the broader debate between transparency and privacy within the crypto ecosystem. Bitcoin's design favors transparency at the base layer, with privacy-enhancing tools available as additional layers or options. This transparency is contrasted with privacy-focused cryptocurrencies or account-based models like Ethereum, which inherently offer less transparency and auditability.

Towards Enhanced Verification

Bitwise has indicated that publishing on-chain addresses is just the beginning of their efforts to increase public transparency. Future plans include working with firms like Hoseki to provide real-time cryptographic attestations of reserves, further solidifying the trust in their ETF.

Comparison with Gold ETFs

The Bitwise Bitcoin ETF exemplifies the transparency advantage of Bitcoin over traditional assets like gold. Unlike gold ETFs, which rely on assumed safety and physical storage, a Bitcoin ETF can demonstrate actual holdings in real-time, showcasing the benefits of digital assets in terms of transparency and verifiability.

Conclusion and Recommendations

While direct ownership of Bitcoin is generally recommended for those seeking the full benefits of cryptocurrency, the Bitwise Bitcoin ETF represents a viable option for investors constrained to stock-like instruments. The ETF's commitment to transparency and its support for open-source Bitcoin development through profit donations to organizations like Brink, OpenSats, and the Human Rights Foundation, offer additional incentives to consider BITB as an investment vehicle.

Final Thoughts

The Bitwise Bitcoin ETF's public disclosure of Bitcoin addresses marks a significant step towards transparency in the cryptocurrency investment space. With its over-collateralized status and efforts to increase verifiability, BITB sets a new standard for Bitcoin ETFs, despite the inherent risks and challenges associated with the format. This development may serve as a model for future products and contribute to the broader acceptance and integration of cryptocurrencies within traditional financial systems.

Read original post

In an in-depth video from Bitcoin University, Matthew Kratter addresses a pivotal question regarding the security and uniqueness of Bitcoin wallet seeds. The discussion was prompted by two viewers who asked whether it's possible for someone to accidentally generate the same seed as another user. Kratter begins by reassuring viewers that their curiosity is far from foolish; it's a legitimate concern that underscores the importance of understanding how Bitcoin seeds function.

A Bitcoin seed, sometimes referred to as a recovery seed, seed phrase, or mnemonic phrase, typically comprises 12 or 24 words chosen in a specific sequence to back up a Bitcoin wallet. Kratter emphasizes the importance of privacy for these seeds, warning viewers never to share their seeds online as bots are poised to steal any exposed funds.

The seed words are derived from a predefined English word list containing 2048 words. A true random number generator (TRNG) within a software or hardware wallet generates a random 128-bit number for a 12-word seed or a 256-bit number for a 24-word seed. These numbers are a series of zeros and ones—binary code—that correspond to the words on the BIP39 word list, incorporating an additional checksum for the final word.

An interesting assertion made by Kratter is that the essence of a Bitcoin seed is a large binary number. The TRNG doesn't "know" anything; it simply produces a random sequence that is so improbable to duplicate that it borders on impossible. This random nature is why Bitcoin, as Kratter states, is fundamentally about math and physics, not about accounts or a central authority that tracks seeds.

Addressing the concerns raised by viewers, Kratter calculates the odds of another random number generator producing the same 24-word seed. The probability is astronomically low—on the order of 2^256, or roughly 10^77, which is just shy of the estimated number of atoms in the observable universe. Kratter humorously suggests that the likelihood of such an event occurring is akin to experiencing a series of extremely unlikely personal disasters simultaneously—a much higher probability than duplicating a seed.

For those wondering whether to use a 12-word or 24-word seed, Kratter quotes Adam Back, a figure whose work contributed to Bitcoin's creation, who advocated that 12-word seeds are sufficiently secure. He explains that the 128 bits of entropy in a 12-word seed are equivalent to the security of Bitcoin's signature algorithms, and thus, opting for a 24-word seed doesn't necessarily increase security.

The term "seed" is metaphorical, representing the ability to "grow" an entire tree of Bitcoin addresses and transaction histories from a single seed. This deterministic nature means that inputting the same seed into any BIP39-compatible wallet will always yield the same addresses and keys.

Kratter concludes by cautioning against "seed splitting," a method where individuals divide their seed words between locations. This approach significantly reduces security as it makes the remaining words more prone to brute-force attacks. Instead, he recommends exploring multisig solutions like those offered by Unchained Capital or building a personal multisig vault for added security.

[

Understanding Bitcoin Custody: Single Sig vs Multisig Wallets

If you’re looking to take control of your Bitcoin holdings, understanding the nuances of wallet security is crucial. With Bitcoin’s rise in popularity, the importance of self-custody cannot be overstated.

TFTC – Truth for the CommonerMarty Bent

](https://tftc.io/single-sig-vs-multisig-wallets/)

In conclusion, Kratter's video delivers a clear message: the creation and protection of a Bitcoin seed are fundamental to the security of one's digital assets. The intricacies of seed generation ensure that duplication is virtually impossible, reinforcing the robustness of Bitcoin's cryptographic foundations. By understanding these principles and following best practices, users can confidently secure their Bitcoin holdings against the improbable odds of seed replication.

Read original post

Introduction

Matthew Kratter from Bitcoin University discusses the importance and methods of using Bitcoin block space efficiently. This guide is a follow-up to a previous discussion on how monetary systems scale and is aimed at those already somewhat familiar with Bitcoin. If you need a refresher, watch the linked video in the description (video linked at the bottom of this article).

Understanding Monetary Systems and Scaling

• Monetary systems scale in layers, where most transactions occur on higher layers or different payment rails.
• Transactions are batched and netted out, with the net result settled on the base layer.
• The base layer provides strong final settlement guarantees but has higher transaction fees.

Historical Example: The Gold Standard

• Countries would exchange goods and net out the balance at the end of a period, settling the difference in physical gold.
• This efficient approach avoided the cost and time of shipping equivalent values of gold back and forth.

Using Bitcoin Efficiently: Layered Transactions

• Similar to the gold standard, Bitcoin transactions can be batched and settled on the base layer.
• On-chain (Layer 1) transactions can be expensive, pushing activity to higher layers, like the Lightning Network.

The Lightning Network

• Opening a Lightning channel involves a single base layer transaction to lock up Bitcoin in a two-of-two multisig wallet.
• Once the channel is set up, unlimited transactions can occur with minimal fees.
• At the end, a corresponding two-of-two multisig transaction settles the net balance on the base layer.

Custodial Solutions: Internal Ledgers

• Services like Cash App maintain internal ledgers to record transactions without impacting the blockchain.
• Users can transact multiple times with no fees, and the service settles on-chain only when necessary.
• Custodial solutions carry the risk of government interference or the service not having sufficient funds for withdrawals.

Reducing On-Chain Footprint

High transaction fees drive users to:

• Use layer two solutions like Lightning or custodial services.
• Wait for lower congestion periods to transact.
• Batch transactions and use newer, more space-efficient address types to save on fees.

[

Understanding Bitcoin Addresses: A Comprehensive Guide

If you’re venturing into the world of Bitcoin, one fundamental aspect you need to comprehend is the bitcoin address. This guide will demystify Bitcoin addresses, their function, and their critical role in safeguarding your privacy and security in the realm of digital currency.

TFTC – Truth for the CommonerMarty Bent

](https://tftc.io/bitcoin-address/)

Batching Transactions

• Exchanges can batch multiple withdrawals into a single transaction with multiple outputs to save on fees.
• Using a transaction size calculator, it's shown that one transaction with ten outputs uses significantly less block space than ten separate transactions.

Using Efficient Address Types

• Newer address types, like Taproot, use less block space than older types like Pay to Public Key Hash (P2PKH).
• A transaction calculator can show the savings in virtual bytes (v bytes) when using different address types.

[

How to Manage Bitcoin UTXOs and Save on Transaction Fees

If you’re a Bitcoin holder and take custody of your funds, UTXOs is crucial to avoid hefty fees later on. This guide will help you understand and implement UTXO management to consolidate your Bitcoin holdings efficiently, balancing cost savings with privacy considerations.

TFTC – Truth for the CommonerStaff

](https://tftc.io/bitcoin-utxo-management/)

Conclusion and Call to Action

Efficient use of Bitcoin block space benefits the entire ecosystem by reducing fees and congestion. This efficiency encourages the use of higher layers and various payment rails, both custodial and non-custodial.

Read original post

Introduction

In this guide, we'll cover the essential steps and precautions you should take when using bitcoin hardware wallets, managing self-custody, and securing your recovery seeds. This guide is based on the insights shared by Matthew Kratter from Bitcoin University and serves as a follow-up to his instructional series on cryptocurrency security.

Section 1: Choosing Your Hardware Wallet

Importance of Hardware Wallets

Hardware wallets are physical devices that store the private keys to your bitcoin offline, offering enhanced security against online threats.

Selecting a Wallet

• ColdCard: Recommended for its advanced features and security.
• Blockstream Jade: A more affordable option with fewer features but still secure.
• Trezor: Fine if using the Bitcoin-only version, but the company's support for altcoins introduces a broader attack surface.

[

How to Use the SeedVault Feature on Coldcard Mk4

The Coldcard Mk4 hardware wallet offers an advanced feature known as SeedVault, which allows users to create new seed phrases, import existing ones, backup devices like the Tapsigner to the Coldcard

TFTC – Truth for the CommonerStaff

](https://tftc.io/how-to-use-the-seedvault-feature-on-coldcard-mark-4/)

Avoiding Single Points of Failure

• It is advisable to pair your hardware wallet with third-party software, like Sparrow Wallet, instead of the manufacturer's software. This reduces the risk of depending on one company for both hardware and software security.

Section 2: Using Sparrow Wallet

Why Sparrow Wallet?

• Sparrow Wallet allows you to connect your hardware wallet to a bitcoin node, either your own or a recommended node, enhancing privacy and reducing trust in a single entity.

Pairing Your Wallet with Sparrow

• You can pair various hardware wallets such as Trezor, Jade, or ColdCard with Sparrow Wallet for a more secure setup.

[

How to Use Sparrow Wallet: A Comprehensive Guide

Sparrow Wallet is a versatile desktop Bitcoin wallet offering a range of features from creating hot wallets to multi-signature vaults.

TFTC – Truth for the CommonerMarty Bent

](https://tftc.io/sparrow-wallet-guide/)

Section 3: Securing Your Recovery Seed

Understanding Recovery Seeds

• Your recovery seed, also known as a recovery phrase or backup, is a human-readable version of your private keys. It allows for the restoration of your bitcoin wallet and transactions.

Creating a Recovery Seed

• Use the random number generator in your hardware wallet to create a unique seed.
• Avoid choosing your own words, as this reduces randomness and security.

Storing Your Seed Securely

• Stamp or engrave your seed onto stainless steel or titanium to withstand fire or floods.
• Store this metal plate in a safe, tamper-proof location.

What to Avoid

• Never share your 12-word or 24-word recovery seed with anyone.
• Do not enter your seed online, take pictures, say it out loud, or store it on cloud services.
• Avoid working on your seed in public places with surveillance cameras.

Dealing with Scams

• Be vigilant of fake support desks on platforms like Telegram.
• No legitimate company will ever ask for your recovery seed; scammers will.

Section 4: Handling Transaction Fees

Understanding Fees

• Bitcoin transaction fees are not a percentage of the transferred amount but are based on the amount of data and block space your transaction uses.
• Fees vary depending on network congestion and the time of your transaction.

[

Understanding Bitcoin Transactions and Mempool Policy Enhancements

Bitcoin transactions might seem straightforward at first glance, but there’s a complex system at play behind the scenes. At the heart of this system is the mempool, a holding area for transactions awaiting confirmation.

TFTC – Truth for the CommonerStaff

](https://tftc.io/bitcoin-mempool/)

Timing Your Transactions

• Consider waiting for lower transaction fees before making a transfer, especially when moving bitcoin from one wallet to another.

Section 5: Encouragement and Patience

Overcoming Frustration

• Recognize that the learning curve for bitcoin custody can be steep.
• Take your time to learn and don't rush transactions or make hasty decisions.

Continuous Learning

• The journey to self-sovereignty and mastery of bitcoin security is ongoing.
• Stay informed and educate yourself regularly to keep up with the evolving ecosystem.

Conclusion

By following the steps outlined in this guide, you will enhance the security of your bitcoin holdings and protect yourself from common pitfalls. Remember, safeguarding your cryptocurrency requires careful consideration of the hardware wallet you choose, the software you pair it with, and the methods you use to secure your recovery seed. Patience and ongoing education are key to successfully managing your digital assets.

If you found this guide helpful, consider subscribing to the channel for more informative content, and share this guide with friends or family who may benefit from these security practices.