Adam Back Refutes Quantum FUD, Says Bitcoin Unlikely at Risk for 20–40 Years

Blockstream CEO Adam Back used a social media post to counter claims that a quantum computer could crack early Bitcoin wallets and crash the market. He argued Bitcoin's security relies on digital signatures using secp256k1 rather than data encryption, and judged a meaningful quantum threat unlikely for 20–40 years, while Vitalik Buterin and Anatoly Yakovenko warned of nearer-term risks.