Mycelium Wallet: keys, security, fees and reviews
Software wallet
In short
- Key control
- Self-custody: Mycelium does not touch user funds and is only a relay to the Bitcoin network.
- Fees
- Subscription: Free storage; no subscription fees of any kind.
- Risks and caveats
- Losing the backup means losing the funds; there is no one to recover them.
- Checked
- 1 November 2026
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Key facts
- Wallet type
- Software wallet
- Who holds the keys
- the user (self-custody)
- Developer
- MRD X-Change GmbH
- Platforms
- Android
- Open source
- yes
- Official site
- wallet.mycelium.com
Key facts checked on 1 November 2026 against official sources.
What is Mycelium Wallet
Mycelium Bitcoin Wallet is a self-custodial Android wallet for Bitcoin, with Ethereum and ERC-20 token support, cold storage and hardware-wallet features. Its GitHub repository dates from June 2013, and it is published on Google Play by MRD X-Change GmbH.
Who holds the keys
| Parameter | Details |
|---|---|
| Key control | Self-custody: Mycelium does not touch user funds and is only a relay to the Bitcoin network. |
| Private keys | Private keys never leave the device unless the user exports them. |
| Recovery | Accounts are restored from the user's backup; losing the backup means losing the money. |
| Account model | HD spending accounts and single-address saving accounts, with a separate backup system for single-address accounts; no ID required. |
Features and supported networks
| Parameter | Details |
|---|---|
| Platforms | Android (Google Play, direct APK download and Obtainium). |
| Supported networks | Bitcoin (native SegWit and P2SH), Ethereum and ERC-20 tokens; FIO Network features. |
| Hardware wallet support | Trezor, Ledger and KeepKey. |
| Coin control | Paper-wallet and watch-only cold storage; fee bumping (child-pays-for-parent). |
| Privacy (CoinJoin, Tor) | Optional Tor connection to mask IP address and location; third-party services can be turned off. |
| Swaps | In-app exchange and trading. |
Security and audits
- Source code is on GitHub; the main app module (mbw) is under the Microsoft Reference Source License (MS-RSL) and the libraries under Apache 2.0.
- Mycelium describes the app as reproducible; all versions it releases are signed with the same release keys.
- The app offers PIN protection with variable keyboard layouts against pattern sniffing.
Security incidents
Incidents are reported by third parties (press, incident databases) but are not confirmed in the company’s own channels, so none is listed here.
Fees
| Parameter | Details |
|---|---|
| Subscription | Free storage; no subscription fees of any kind. |
| Network (miner) fee | The user sets the Bitcoin miner fee for each payment. |
History
| Date | Event |
|---|---|
| 2008 | Mycelium began as a team of hardware engineers working on a mesh-networking project. |
| 13 June 2013 | The wallet-android source repository was created on GitHub. |
| 17 December 2014 | The 'Mycelium Wallet' iOS app listing of MRD X-Change GmbH was first released on the App Store. |
| 2016 | Mycelium distributed Mycelium tokens representing 5% stock appreciation rights in the wallet project. |
| 15 May 2026 | Version 3.22.0.2 was tagged on GitHub and the Google Play listing was updated. |
| 21 October 2026 | The latest version of the 'Mycelium Wallet' iOS app on the App Store is 2.13, released on 21 October 2026 (read 5 November 2026). |
Risks and caveats
- Losing the backup means losing the funds; there is no one to recover them.
- The user sets the miner fee; too low a fee delays payments.
- Mycelium says it runs no social-media accounts; any account claiming to represent it is a scam.
- Mycelium says its Mycelium tokens, distributed in 2016, represent stock appreciation rights in the Mycelium Wallet project, were designed as securities and are not yet traded (as of 1 November 2026).
About the developer
- Developer
- Mycelium, which also makes Mycelium Entropy and the Gear payment processor.
- Legal entity
- MRD X-Change GmbH, Vienna, Austria (Google Play developer details; App Store seller).
- Founded
- 2008 (team origin)
Official links
- Website: wallet.mycelium.com
- Download: play.google.com/store/apps/details?id=com.mycelium.wallet
- Source code: github.com/mycelium-com/wallet-android
Questions and answers
Is Mycelium Wallet self-custodial?
Yes. Mycelium does not touch user funds; private keys stay on the device and the user's backup is the only way to restore them.
Does Mycelium Wallet charge fees?
No wallet or subscription fees; the user sets the Bitcoin miner fee for each payment.
Is Mycelium Wallet on iOS?
Mycelium Bitcoin Wallet is an Android app. A separate app, 'Mycelium Wallet', is listed on the App Store by the same developer, MRD X-Change GmbH.
Who makes Mycelium Wallet?
Mycelium, a team that started in 2008; the app is published by MRD X-Change GmbH, Vienna.
Sources
- wallet.mycelium.com
- apps.apple.com
- github.com
- Mycelium — home
- Google Play — Mycelium Bitcoin Wallet
- Google Play — Mycelium Wallet: Bitcoin&USDT
- GitHub — wallet-android tags
- GitHub — wallet-android LICENSE
- GitHub — wallet-android README
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