What is Bitcoin?
If one proposal excited attendees at the recent Scaling Bitcoin workshop in Hong Kong, Bitcoin Core and Blockstream, it was developer Dr. Pieter Wuille's Segregated Witness. So while the signatures in the Segregated Witness could still be changed, this would not affect Bitcoin software using transaction IDs, nor would it matter for payments channels or the Lightning Network, thus setting the stage for the roll-out of additional scaling layers. But…
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