... $a_R$
```
n = 8 # 位数
print(f"We will be proving that v is between 0 and {pow(2, n)}\n")
## (2^0, 2^1, 2^2, ..., 2^(n-1))
vec_2n = vector([Fr(2 ^ i) for i in range(n)])
## (1, 1, 1, ..., 1)
vec_1n = vector([Fr(1)] * n)
v = Fr(random.randint(0, pow(2, n)))
print("v =", v)
v_bin = bin(v)[2:]....
...
// We recommend this pattern to be able to use async/await everywhere
// and properly handle errors.
main()
.then(() => process.exit(0))
.catch(error => {
console.error(error);
process.exit(1);
});
```
...
```solidity
contract ERC20 {
// internally called by transfer() and transferFrom()
// balance and approval checks happen in the caller
function _transfer(address from, address to, uint256 amount) internal returns (bool) {
fee = amount * 100 / 99;
balanceOf[fr...
...tcoin peers against man-in-the-middle attacks using an action called a “handshake” to share keys more privately.](https://img.learnblockchain.cn/2025/07/15/n-peers.jpg)
_Jonas Schnelli 提议的 BIP 324 旨在利用 “握手”操作增强密钥分享的隐私性，从而保护比特币节点...
...（Comparing discovery advertisement features by efficiency: ENRattributes and topic advertisement）。文章起了一个高大上的名字，但里面的内容也很有干货。同时他们也在将网络侧的代理程序升级到Age的Discv5的代码。他说他是一个Pi的规范里面的传...