Jack Dorsey says his ‘secure’ new Bitchat app has not been tested for security ビチャット e2e encryption Encryption ジャック・ドーシー セキュリティ 2025.07.10 03:37 TechCrunch 引用元：https://techcrunch.com/2025/07/09/jack-dorsey-says-his-secure-new-bitchat-app-has-not-been-tested-for-security/
