quantique

Coinbase holds about 5% of all the bitcoins in the world for its customers. On October 14, the platform made one simple point: we need to start protecting Bitcoin against future quantum computers **now**. No need to panic about your wallet today — but here’s what’s at stake, in simple terms, and what it means for you.
📋 The facts (CoinDesk, Omkar Godbole, Oct. 14, 2026, based on a Coinbase blog post)
• Coinbase believes Bitcoin needs to prepare now for a quantum computer that could one day derive a private key from a public key — and therefore drain vulnerable wallets.

“A quantum computer is going to break Bitcoin.” You may have seen this phrase before, often used to scare people or sell them something. This week, Coinbase, which says it holds about 5% of all existing bitcoins, published its vision for how to respond. Its main message isn’t “panic,” but “let’s get started now, because this will take years.” Here’s what that means, in simple terms, and what it changes for you.
📋 The facts (Coinbase blog, CoinDesk, The Block, Decrypt)