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 partners with Saudi bank unit on blockchain payments, custody January 26, 2026 Czech National Bank tests Bitcoin, crypto reserve with historic $1M buy November 13, 2025 Trader loses $21M on Hyperliquid after private key leak: How to stay protected October 10, 2025