Blockstream Research released a comprehensive report by Mikhail Kudinov and Jonas Nick exploring hash-based signature schemes as a robust post-quantum security option for Bitcoin. These schemes derive their strength solely from hash function properties, aligning closely with Bitcoin's existing reliance on SHA-256. The authors detail primitives from Lamport one-time signatures through optimized variants of SPHINCS+, incorporating advancements like SPHINCS+C, TL-WOTS-TW, and PORS+FP. "Hash-based schemes offer a promising path for securing Bitcoin in a post-quantum world," the report states, emphasizing minimal assumptions. By limiting signatures per key and applying optimizations, they achieve substantially smaller signatures than standardized SPHINCS+, with some parameters yielding around 3-4 kilobytes while maintaining 128-bit security. The analysis includes reproducible scripts, parameter tradeoffs, and discussions on hierarchical wallets and multi-signatures, presenting an optimistic pathway toward quantum-resistant Bitcoin transactions.
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In "Leaving a Legacy," author Johan Curtz argues that Western society has fostered a culture of impermanence, undermining intergenerational wealth transfer and family duty. Drawing from "The Missing Billionaires" by Victor Hagan and James White, he notes that the wealthiest 1,000 families in 1900 should have produced 16,000 billionaire families today under normal growth, yet only around 700 exist. "The thousand wealthiest families then should have turned into 16,000 billionaire families today. But there are only sort of 700," Curtz cites. This stems from declining emphasis on stability, virtue, and ambition amid affluence, exacerbated by the dissolution of ethical frameworks of dominion and neighborly love. Curtz advocates reviving rooted, duty-bound legacies through family rituals, local stewardship, and purposeful inheritance, offering a path to rebuild enduring societal bonds and multigenerational greatness.
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The UK government is advancing comprehensive regulation of digital assets, targeting full implementation by October 2027, integrating Bitcoin exchanges, wallet providers, stablecoin issuers, and DeFi activities under existing financial laws overseen by the Financial Conduct Authority and Bank of England. This approach states consumer protection, market integrity, and regulatory clarity as their key goals, while fostering 'responsible' innovation and growth. Finance minister Rachel Reeves described the framework as providing "clear rules of the road" to exclude "dodgy actors." FCA's David Geale emphasized that "regulation is coming and we want to get it right," balancing safeguards with innovation. Industry figures outside of the bitcoin industry hail tax alignments as "a win for UK users," signaling optimism for a digital asset ecosystem with enhances financial certainty.
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Fetch.ai has announced a new payment system enabling its autonomous AI agents to complete transactions independently, addressing a key limitation in current agentic tools that require human approval for purchases. The platform, launching in January on ASI:ONE, integrates Visa for single-use credentials, alongside stablecoins like USDC tokens, allowing agents to book services and pay deposits even offline. In tests, agents have successfully reserved restaurants and handled payments. Founder and CEO Humayun Sheikh told Decrypt, "We’ve been working on it for at least five years, and the reason is because we’re going to see a transition from the web-based economy to an AI-first economy." He added, "And the only way to do that is where AI agents can communicate with each other and transact with each other." Emphasizing user control through identity layers and spending limits, this development promises greater autonomy and efficiency in the emerging AI economy, fostering secure interactions while navigating regulatory challenges.
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