ARK Rate is a tiny convenience app for quickly converting multiple currencies at the same time

Ramp-On, Ramp-Off Payment Gateway for Fiat-Cryptocurrency

POC generate sm2 p256 curve with fiat-crypto & addchain. A golang 1.19 style sm2 elliptic curve implementation.

A full-stack stablecoin banking experience built on [Bridge.xyz](https://bridge.xyz) API infrastructure. Deposit fiat, hold stablecoins, spend with Visa, swap currencies, and earn yield — all from one app.

A comprehensive automated Bitcoin purchasing service that integrates Plaid for bank account management and Cybrid for cryptocurrency trading. This service allows users to set up recurring purchases of Bitcoin using their connected bank accounts.