Until now, we’re understood

1. Hashing (SHA-256)
2. Encryption (EDDSA, ECDSA), Public and Private Keys
3. HD Wallets

We haven’t practically built a web based wallet yet (Some of you have).

Here is a good example -

https://wallet-kosh.vercel.app/

https://kitsunekode-creepy-wallet-sand.vercel.app/

https://github.com/Fardeen26/eth-wallet-generator

What we’re covering today

1. Keccak-256
2. RPC, JSON-RPC, Some common RPC methods on ETH/SOL
3. Try to create a simple web based wallet that shows you your balance