Crypto needs to be made easier for merchants and users

If crypto is ever going to join the mainstream, it needs an upgrade.

It needs to be user-friendly.

So, I'm about to pitch an idea to make that happen. One-sided payment processing.

Using devices like the Lilygo T-deck Pro, a vendor can setup a BlueTooth connection for receiving payment transactions. The user's t-deck connects to that bluetooth device, receives the transaction, and he t-deck uses its on-board asymmetric key to sign the transaction, while notifying the user how much it is and asking whether they'd like to sign it or not.

The merchant is then responsible for passing that transaction along to the network. The network should also incorporate some way to notify the t-deck of its current balance.

This eliminates the complexity of crypto for the average person, and the merchant, who can just pay someone to set it up once, and store a backup key.

EDIT: If the user wanted to make an online purchase, they could get a transaction from the merchant, receive it through their computer's bluetooth (Chrome serial exists), and again, sign it with the device. Then forward it back to the merchant, who'd again, forward it to the network for verification.