Self-custody wallet for Bitcoin, Ethereum, Solana and 40+ networks with swap, trade and name services
Open protocols on Bitcoin that anyone can verify without trusting a company
Stage
Not given
Startup
Founded
Not given
2025
Based in
Not given
Not given
Pricing model
Free
Freemium
Pricing
Free to install and use. Swap fee: 0.5% (0.4% with invite). Network fees vary by blockchain. Free network fee on six networks once per week if holding $5+ in USDT or USDC.
Protocol tools and ochk.app sign-in are free. Apps that pay users on ochk.app pay a 20% platform fee. vault.ochk.io offers cloud sync priced in sats and paid on-chain.
Key features
Support for 40+ blockchain networks in one wallet
Swap crypto at best available rates across decentralized markets and bridges
Native coins: Bitcoin, DOGE, XRP, LTC, ADA and TRX
0.5% flat swap fee shown before signing
Madar Trade with advanced charts and spot price trading
Madar Names for simple addresses like yourname.madar
Free network fee on six networks once per week
Chrome extension and Android app
Unified balance across multiple networks
Available in 6 languages
Bitcoin-backed accounts
Free, self-hosted verification tools
What makes it different
Non-custodial: your keys stay on your device and never leave it
All fees shown upfront before you sign any transaction
No account, no tracking, no personal data required
Buy native coins, not wrapped copies
One unified balance for dollars across multiple networks
Bitcoin-backed verification - anyone can check signatures against the blockchain without trusting orangecheck
Open, public specifications under MIT license
Non-custodial - protocols never hold coins or keys
Self-hostable verification - protocols work offline without orangecheck's infrastructure