Add reth

README.md

@@ -224,6 +224,7 @@ See also [Rust - Production](https://www.rust-lang.org/production) organizations
 * [tendermint-rs](https://github.com/informalsystems/tendermint-rs) - Tendermint blockchain data structures and clients
 * [wagyu](https://github.com/howardwu/wagyu) [[wagyu](https://crates.io/crates/wagyu)] - Library for generating cryptocurrency wallets
 * [zcash](https://github.com/zcash/zcash) - Zcash is an implementation of the "Zerocash" protocol.
+* [reth](https://github.com/paradigmxyz/reth) - Modular, contributor-friendly and blazing-fast implementation of the Ethereum protocol.
 
 ### Database