...une `k` to reach the desired tradeoff between amortizing calculated hashes and security. Instead of requiring 16x fewer hashes in the spare part of the tree, you could require 18x (or more) fewer hashes if you accept further bits of security loss.
TL;DR 是降低由于空子树导致的额外哈希...
...at you can perform time consuming operations on a machine you don't trust, and check the result very quickly on a cheaper machine. While Cairo 0 used to be directly compiled to CASM, the Cairo CPU assembly, Cairo 1 is a higher level language. It first compiles to Sierra, an intermediate representati...
...er 12 bytes are non-zero, they will be zero-ed out
// Therefore, fromId() and toId() are not inverses of each other
function fromId(uint256 id) internal pure returns (Currency) {
return Currency.wrap(address(uint160(id)));
}
```
这两段函数较为简单，但注释指出 `fromId()` ...