Multi-chain asset management has never been easier. O3 has all the options, whether it's BTC or NEO, ETH or ONT. Accessing DeFi services is easy with our fully integrated API. Let's get it done without ever leaving the app. To purchase BTC, ETH and NEO in your local currency, you can use the app. Accepted credit cards As we sail towards Neo3, make sure you have your tokens available for delegating validators or earning rewards. O3 doesn't store any private keys outside of your device. Your funds are safe with O3. O3 doesn't require that you have an account. Your identity is kept secret. Our support team is available to assist you at all times of the day and night.