The government could cryptographically prove that the Bitcoin backing digital dollars actually exists and is securely held, instead of relying on Americans' faith that hunks of gold exist in a basement somewhere. The primary advantage of gold is that you can't just click the up coming post print more of it. This email discusses improvements that would benefit everyone, and some that are more suitable for "layer 2" or pre- signed transactions protocols. While this can be exploited for fee attacks, it is a bigger threat to pre-signed transactions protocols. American dollars are centrally financially controled, but we can transact without that being public information. A survey of how Lightning is being used now and discussion of opportunities for Bitcoin businesses adopting Lightning.