Custodians holding 5% of BTC supply urge immediate quantum migration
- —Custodians control about 5% of bitcoin's supply
- —Proposal adds flexible addresses with backup post-quantum keys
- —Legacy P2PK and reused addresses are most exposed
- —Consensus changes require years of testing and miner, node support
Why it matters: The quantum threat remains theoretical, but protocol upgrades take years, so early coordination reduces risk to old coins.
Source: Bit2Me News