What changed
Coinbase, which holds 5% of all bitcoin, wants the quantum fix started now Coinbase says bitcoin should start preparing for quantum computers now, with flexible addresses, a backup quantum-proof key and a separate debate over lost coins
Why it matters
Exchange operations around BTC can change volatility, liquidity, or sentiment. The concrete detail to watch is coinbase, which holds 5% of all bitcoin, wants the quantum fix started now
Trading lens
Use this as watchful context from coindesk.com. Watch whether coinbase says bitcoin should start preparing for quantum computers now, with flexible addresses, a backup quantum-proof key and a separate debate over lost coins confirms momentum, invalidates active bias, or changes timing.