Offline parties? Misbehaving oracle? @Blockstream Research Director Andrew Poelstra explains how Simplicity handles backups elegantly, making DLCs more reliable, flexible, and practical for real users.

Andrew Poelstra of @Blockstream Research explains Liquid: a federated sidechain for Bitcoin and issued assets. Offering fast, Confidential Transactions anchored to the BTC mainchain with new blocks every minute.