...美元](https://www.openzeppelin.com/stats/contracts)。
Zama 的 CEO Rand Hindi 表示：“区块链已经证明了它在转移资金和实现可编程金融方面的价值。下一个前沿领域是公共基础设施的数字化，从身份系统到土地登记。但是，如果没有保密性...
...&MemoryInitCols = (*local).borrow();
// Verify that is_initialize and is_finalize are bool and that at most one is true.
builder.assert_bool(local.is_initialize);
builder.assert_bool(local.is_finalize);
builder.assert_bool(local.is_initialize + local.is_finalize);
...
...bstraction is the idea of reducing the number of account types from 2 (EOA and smart contract) to 1 (just smart contract) in order to improve usability and flexibility in Web3.
>
> This is achieved by moving the validity conditions of a transaction (signature verification, gas payment, replay protec...