Institutional-Grade Crypto Accounting.
Auto-decode DeFi transactions into clean double-entry books. Built for funds that live on-chain with precision that regulators demand.
Real-time NAV
$142,850,291.42
Auto-Decode DeFi
Automatically parse Aave, Uniswap, and ERC20 transactions into meaningful accounting events.
Double-Entry Journal
Every transaction creates balanced journal entries. Debits equal credits, always.
Real-Time NAV
Track your fund’s net asset value across all wallets and positions in real time.
Audit-Ready Reports
Export P&L statements, balance sheets, and transaction summaries as PDF or CSV.
Seamlessly Integrating With
And more coming soon.
On-Chain Accounting, Simplified
Three steps to institutional-grade clarity.
Import Wallets
Add your wallet addresses. We support Ethereum, Arbitrum, and more.
Auto-Analyze
Block Book fetches transactions, decodes smart contract calls, and creates journal entries automatically.
Export Reports
Generate investor-ready financial reports with one click.
Trusted by 50+ crypto-native funds
“Block Book saved us dozens of hours every month. Our audit process is now a breeze instead of a nightmare.”
Managing Partner
Nexus Digital Alpha
“The deep integration with Aave and Curve is what sets them apart. It understands the underlying yield mechanics.”
Head of Finance
Ethereal Ventures
“Finally, a product that treats DeFi as a serious asset class with proper double-entry accounting principles.”
CFO
Liquid Protocol DAO