Key Takeaways The Quantum Alliance launched Oct. 15 with nine organizations working on shared security standards. Roughly 6.4 million BTC, including Satoshi-era coins, face potential exposure to future quantum attacks. Bitcoin’s biggest hurdle is upgrading wallets and protecting coins whose owners can no longer move them. Nine Blockchain Organizations Unite as Quantum Threat Looms Nearly one-third of Bitcoin’s supply could eventually become vulnerable to quantum computers, and a new industry coalition wants to get ahead of the threat. The Quantum Alliance, launched Oct. 15 in Lisbon, brings together nine blockchain organizations to establish common standards for protecting cryptocurrency networks, wallets, …