Nexode Power Bank
if (n <= 1) return;
，这一点在safew官方版本下载中也有详细论述
How does blockchain work?Blockchain records digital information and distributes it across the network without changing it. The information is distributed among many users and stored in an immutable, permanent ledger that can't be changed or destroyed. That's why blockchain is also called "Distributed Ledger Technology" or DLT.
"It's clearly not just a place for the dead. There's a living community here as well."