Hey! Multi-signature adds security through redundancy. Electrum has robust multi-sig support built-in. Multi-sig features: create 2-of-3, 3-of-5, custom configurations, coordinate with other signers, hardware wallet compatible. Why multi-sig: no single point of failure, requires multiple keys to spend, protection against loss or theft, enterprise-grade security. Use cases: shared funds with partner, organizational treasury, enhanced personal security, inheritance planning with family. How Electrum handles it: straightforward multi-sig creation, coordinates between wallets, supports various configurations, hardware wallet integration. For security-conscious: better than single key, can distribute keys geographically, compromising one key isn’t enough, peace of mind. Free from Uptodown, Android 6.0+. Multi-sig in Electrum is powerful yet accessible – professional security for everyone.