Aug 28 — Quantum bitcoin, Lightning bug, Schwab adds altcoins

• StarkWare executed the first quantum-resistant Bitcoin transaction on mainnet without requiring a soft fork — removing one of Bitcoin's most cited long-term security risks changes the calculus for long-term holders. • AI-flagged vulnerabilities in Bitcoin's Lightning Network prompted an emergency warning to node operators — critical flaws in the primary scaling layer could disrupt payment channels if operators delay upgrading. • Charles Schwab is adding Solana, Avalanche and Chainlink to its trading platform — a major US brokerage opening direct altcoin access unlocks meaningful retail and advisor-channel flows into SOL, AVAX and LINK.