What BTQ’s Bitcoin quantum testnet reveals about “old BTC” risk Post author:MiamiCrypto Post published:January 19, 2026 Post category:Uncategorized How BTQ’s Bitcoin-like quantum testnet highlights where post-quantum risks may emerge and why mitigation is an engineering challenge. You Might Also Like Ripple $4B-$5B bid to purchase Circle rejected — Report April 30, 2025 US government ‘tech force’ gets backup from Coinbase, Robinhood December 17, 2025 Bitcoin retail interest is in ‘bear market’ as crypto sentiment flips to fear October 16, 2025