script-language

Lack of chargeback support

Satoshi explains that Bitcoin is designed for non-reversible transactions between two parties without intermediaries, and describes planned escrow transactions using a predicate language.

BitcoinJ open-source release and protocol questions

Mike Hearn announces the open-source release of BitcoinJ under the Apache 2 license, and asks about merkle branch verification, scripting language ideas, and why transaction replacement was disabled.