## Highlights
### Is Telegram really an encrypted messaging app?
Apropos Pavel Durov’s arrest, cryptographer Matthew Green wrote a short post about whether Telegram is an “encrypted messaging app”. The TL;DR here is that Telegram has an optional end-to-end encryption mode that you have to turn...
...,调用只读方法时遇到类似以下内容的报错信息:
```fallback
ERROR Error: Uncaught (in promise): Error: cannot estimate gas; transaction may fail or may require manual gas limit (error={"code":-32000,"message":"execution reverted"}, method="call", transaction={"to":"0xE6183d309...