People’s Bank of China started advanced testing of digital currency(forbes.com)
forbes.com
People’s Bank of China started advanced testing of digital currency
https://www.forbes.com/sites/biserdimitrov/2020/04/16/these-chinese-blockchain-platforms-are-launching-soon-here-is-why/
1 comments
It is mentioned in the article that the digital currency supports offline transactions. How can this be done with blockchain, which required up-to-date information to validate transactions?
One way to implement it would be to defer validation until nodes come back online, and if double-spending is detected at that point, well, that's fraud and it comes with cryptographic proof of guilt. The rest can be handled by the legal system.