Crypto cost basis and reconciliation
Every wallet transaction priced, matched to lots and checked against the chain. Built for finance teams that close the books monthly.
| Wallet | Network | Asset | Ledger | On-chain | Difference | Status |
|---|---|---|---|---|---|---|
| Treasury hot | Ethereum | ETH | −35.440687 | 1.126533 | (36.567220) | Gap |
| BTC reserve | Bitcoin | BTC | 0.17983134 | 0.17983134 | 0.00000000 | Reconciled |
| Solana ops | Solana | USDC | 2,450.000000 | 2,450.000000 | 0.000000 | Reconciled |
| Payouts | Tron | USDT | 18,203.440000 | 18,203.440000 | 0.000000 | Reconciled |
| Cold storage | XRP Ledger | XRP | 250,000.000000 | 250,000.000000 | 0.000000 | Reconciled |
How Clamp works
Collect
Wallet history synced on your schedule.
Cost basis
Your accounting method, applied per account.
Reconcile
Every balance checked against the chain.
Close
Locked periods and an audit trail.
Find gaps before your auditor does
After every sync, Clamp compares each wallet with the chain and shows when missing history begins.
Treasury hot differs from the chain
36.57 ETH of inflows missing before 12 Mar 2016
- Ledger
- −35.440687
- On-chain
- 1.126533
- Difference
- (36.567220)
Close the month and keep it closed
A locked month keeps its numbers. Every change before and after is in the audit log.
- Locked July 2026Maria Lopez, 4 Aug 10:02
- Added a manual price for ETHJohn Snow, 3 Aug 16:20
- Exported realized gains, JulyPriya Nair, 3 Aug 09:41
- Locked August 2026Benedict Hale, 3 Sep 09:15
- Marked 3 tokens as spamJohn Snow, 2 Sep 14:08
- Paired an internal transferMaria Lopez, 1 Sep 11:30
- Locked September 2026Benedict Hale, 3 Oct 09:12
- Paired an internal transferJohn Snow, 2 Oct 17:40
- Exported realized gains, Q3Priya Nair, 2 Oct 11:05
- Synced 61 walletsScheduled, 7 Oct 06:00
- Ran cost basisMaria Lopez, 6 Oct 15:22
- Added wallet Treasury coldJohn Snow, 6 Oct 10:04
Your books stay private
- We never hold or move your funds
- Your data is visible only to your team
- Two-step sign-in for every user
- Every change is on record
