What you can do with ONYX in Coinomi
Hold, send and receive ONYX (ONYX) in Coinomi, the self-custody wallet since 2014, on Ethereum. Your keys stay on your device, and there is no Coinomi account to create.
- Hold it yourselfYour ONYX keys are created and kept on your device. One recovery phrase restores your whole wallet, and there is no Coinomi account to create.
- Send and receiveCoinomi adds no fee to send or receive ONYX. The network you send on charges its own fee, paid in that network's coin, and Coinomi warns you about an unusual fee before you confirm.
- SwapCompare quotes from several providers and swap ONYX for other coins without leaving the wallet, wherever a provider supports the pair.
- Buy and sellBuy and sell crypto by card or bank transfer through BTC Direct, Simplex and Onramper, where available. Providers set their own fees and checks.
Swap ONYX
Trade ONYX for other coins, or other coins for ONYX, straight from the wallet where you hold the keys.
- Swap ONYX
Compare quotes from several providers and trade ONYX for other assets.
Swap ONYX
Popular swaps
Providers set their own fees and checks, shown before you confirm.
Where ONYX lives
In Coinomi, ONYX is supported on:
The same token can exist on several networks. Send and receive on the same network, and check it before you send.
ONYX wallet questions
Is Coinomi a self-custody ONYX wallet?
Yes. Coinomi creates and stores your ONYX keys on your device, and there is no Coinomi account to create. Only you can move your ONYX. That also means Coinomi can't recover a lost recovery phrase for you.
What does it cost to hold or send ONYX?
Coinomi is free to download, and it adds no fee to send or receive ONYX. The network you send on charges its own fee, paid in that network's coin. Swap and buy providers set their own fees.
How do I buy or swap ONYX?
Open Coinomi and choose swap to trade another coin for ONYX, wherever a provider supports the pair. You can also buy crypto by card or bank transfer where available. Providers set their own fees and checks.
Which devices does the ONYX wallet work on?
iPhone and iPad, Android, Macs with Apple silicon, Windows and Linux. The same recovery phrase opens your wallet on each of them.
How do I restore my ONYX wallet?
Install Coinomi, choose to restore a wallet, and enter your recovery phrase. One phrase restores every coin in the wallet, and Coinomi can scan for the coins and accounts you used before. Keep the phrase offline and private.
Can I swap ONYX for another coin?
Yes, wherever a provider supports the pair. Open Coinomi, choose swap, and compare quotes from several providers to trade ONYX for another coin. Providers set their own fees and checks, shown before you confirm.

