Private key management made simple. Create wallets, sign transactions, and automate onchain actions through one API.
Private transaction RPC with rebates for Ethereum and BNB Chain
Stage
Not given
MVP
Founded
2022
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Based in
US
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Pricing model
Freemium
Free
Pricing
Pay as You Go: 25 free signatures per month, then $0.10 per signature. Pro: $99/mo with $0.05 per signature. Enterprise: Custom pricing as low as $0.0015 per signature. Transaction Management fees charged per-transaction basis when successfully executed onchain.
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Key features
Non-custodial wallet creation for users, businesses, and AI agents
Sub-100ms transaction signing latency
Programmable policy engine for access control and spending limits
Multi-authentication methods including passkeys, OAuth, email, and API keys
Hardware-isolated secure enclaves for key management
Multichain support across EVM, Solana, Bitcoin, and more
Gas sponsorship for transaction fees
Open-source SDKs and REST APIs
99.9% uptime infrastructure with high availability
SOC 2 Type II compliance and code verifiability
Private mempool routing
Automatic rebate payments
Sandwiching protection
Frontrunning prevention
Custom RPC configuration
No signup required
On-chain rebate transfers
Searcher auction mechanism
What makes it different
Verifiable and open-source with code attestation and reproducible builds
Hardware enclave-based signing instead of MPC or HSM approaches
Built by the team that created Coinbase Custody
50-100ms transaction signing latency with 0ms client-side signing
Fully non-custodial ensuring users retain complete control of keys
Returns arbitrage profit to users instead of bots
No private broadcast to mempool prevents frontrunning
Turnkey
backrun