Efforts to make major blockchains more resilient against the long-discussed threat of quantum computing have accelerated, even as many Bitcoin users remain skeptical about how soon quantum risk becomes practical. This week, two separate threads underscored the direction of travel: experimental defenses for Bitcoin transactions and a new proposal aimed at upgrading Bitcoin’s signature technology. At the same time, governance decisions and broader market signals continued to shape sentiment across the sector—from Solana’s vote to speed up disinflation to new disclosures and policy debates in the United States. Here are the developments investors and builders should keep on their radar. Key takeaways StarkWare researcher Avihu Levy tested an experimental quantum-resistant Bitcoin transaction on mainnet, using a scheme designed to protect outputs during the mempool exposure window. Blockstream researchers published a Bitcoin Improvement Proposal (BIP) to incorporate the SHRINCS post-qu...
Strategy’s chief executive Michael Saylor has posted what market watchers are reading as a near-term signal for renewed corporate Bitcoin buying. In a recent social media message, Saylor wrote “We’re Back,” pointing to a potential return to accumulating BTC after a pause in Strategy’s routine purchases earlier this year. The timing matters because Saylor has a history of sharing ambiguous weekend-style hints ahead of Monday morning announcements related to Strategy’s treasury activity. If that pattern holds, the post could be interpreted as a psychological nudge—suggesting the company is prepared to deploy capital again rather than continue its more conservative balance-sheet focus. Key takeaways Saylor’s “We’re Back” message on X is being treated by observers as a signal that Strategy may resume BTC accumulation. Earlier in the year, Strategy paused its regular weekly buying cadence and shifted attention toward financing and balance-sheet strengthening. Strategy’s large BTC trea...