Distinguish between true and false mobile blockchains, only by this one can pass 99% of the projects
1. How to trade offline?
In life, we will encounter such a scenario: when taking a high-speed rail through a tunnel, the mobile device has no signal, but at this time you are eager to process a transfer transaction, what should you do?
Usually, because there is no way to process the transaction, it can only be processed after the signal is restored