Coinomi: keys, security, fees and reviews

Software wallet

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Key facts

Wallet type: Software wallet
Who holds the keys: the user (self-custody)
Platforms: iOS, Android, desktop
Official site: coinomi.com

Checked on 2026-10-27 against the official site, docs and app-store pages.

What is Coinomi

Coinomi is a non-custodial multi-chain wallet for Android, iOS, Windows, macOS and Linux, launched in 2014. It supports more than 10,000 assets and NFTs across 50+ blockchains, with built-in swaps through partners and DEXes, card purchases and a dApp browser. It is operated by Loksias SA of Geneva, Switzerland.

Who holds the keys

Who holds the keys — Coinomi
Parameter	Details
Key control	Non-custodial: private keys are generated and kept on the user's device.
Seed phrase	One HD (BIP44) recovery passphrase backs up all coins in a wallet; multiple wallets can be imported.
Account model	No KYC or account to access funds; the vendor's servers hide users' IP addresses.

Features and supported networks

Features and supported networks — Coinomi
Parameter	Details
Platforms	Android, iOS, and desktop for Windows, macOS and Linux.
Supported networks	Bitcoin, Ethereum, Solana and 50+ chains; EVM networks Base, Arbitrum, Polygon, Optimism, Avalanche, Gnosis and BNB Smart Chain added in June 2025.
Swaps	Built-in exchange between hundreds of assets via partners and DEXes.
Buy / sell	Card purchases through partner Simplex.
Staking	Cold staking for supported assets.
dApp browser	Integrated dApp browser, Web3 and WalletConnect support.
Coin control	SegWit address modes, dust-attack protection, do-not-spend flags and custom miner fees; connection to the user's own Bitcoin node.

Security and audits

Closed source: the Coinomi GitHub organisation publishes only two utility repositories, not the wallet apps.
Responsible disclosure programme by email with PGP; eligible reports can earn bounties.

Fees

Fees — Coinomi
Parameter	Details
Wallet	Free; no fees for sending or receiving, only network (miner) fees.

History

History — Coinomi
Date	Event
2014	Coinomi launched.
11 June 2025	Added eight EVM networks, including Base, Arbitrum, Polygon and BNB Smart Chain.

Risks and caveats

Only the user holds the keys, so the recovery passphrase must be backed up; the passphrase covers all coins in that wallet.
Wallet source code is not public, so it cannot be independently reviewed.
Swaps and card purchases are handled by third-party partners.

About the developer

Legal entity: Loksias SA, incorporated in Switzerland (privacy policy also names Loksias Sàrl).
Headquarters: Geneva, Switzerland (registered address).
Founded: 2014

Official links

Website: www.coinomi.com/en
Security: www.coinomi.com/en/responsible-disclosure
Source code: github.com/coinomi

Questions and answers

Is Coinomi self-custodial?

Yes. Private keys are created and kept on the user's device, and no KYC is needed to access funds.

Is Coinomi open source?

No. Its GitHub organisation publishes only utility tools, not the wallet apps.

Which coins does Coinomi support?

More than 10,000 assets and NFTs across 50+ blockchains, including Bitcoin, Ethereum, Solana and major EVM networks.

Does Coinomi charge fees?

No fees for sending or receiving; users pay only blockchain network fees. Swap and card purchase partners set their own pricing.

Who makes Coinomi?

Loksias SA, a Swiss company based in Geneva; Coinomi launched in 2014.

Sources

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Page updated: 2026-10-29