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Bitcoin nodes can now encrypt their connections by default, shielding transaction relay from ISP surveillance — but most users don't even know it exists.
Nearly $440 billion in Bitcoin sits in vulnerable wallets that quantum computers could crack. The question isn't if quantum attackers will come. It's whether Bitcoin will freeze the coins first.
Bitcoin developers have spent five years arguing about covenant opcodes. Cryptographers just published a way to build them without touching consensus at all. PIPEs v2 uses witness encryption to lock private keys behind conditions, enabling vaults, trustless bridges, and ZK verification today.
Quantum fears have entered crypto market narratives in early 2026, with ETF outflows and institutional risk assessments starting to mention quantum computing. But the actual technical picture is far more nuanced.