...
```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...
...kage]
name = "kv"
version = "0.1.0"
edition = "2024"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
tokio = "1.29.1"
prost = "0.11.9"
# Only necessary if using Protobuf well-known types:
prost-types = "0.11.9"
[build-de...
...看到攻击利用的关键点
```solidity
/** Purchases SURGE Tokens and Deposits Them in Sender's Address*/
// 利用关键点3：这里调用了mint时，balance还是没有减之前的，所以mint出来的肯定会多一些。
function purchase(address buyer, uint256 bnbAmount) intern...