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3 entries
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.
Mike Hearn asks about the origin of the 21 million coin limit, the 10-minute block target, and the 500KB block size limit while working on a Java SPV implementation for Android.
Satoshi responds to James Donald's scalability concerns, explaining how the system can work with simplified payment verification and that nodes don't need to know all transactions.