use_case wallets

A second look inside your wallet

Ship Presign in your wallet with the SDK. Your users see a verdict before the confirm screen, in your colours.

app.swapzone.exampleethereum · mainnet
Safe to sign
05 / signedapprove(spender, amount)

Signed with a 250 USDC limit

allowance
250 USDC
tx
0x4be1…07fa
checked in
1.2 s

before / after

The same confirm screen, read

before · raw call data

Signature requestapp.swapzone.example

data

0x095ea7b3
0000000000000000000000009f3a7d2e
1b0c4a58e2f1c21e
ffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffff

after · read by presign

app.swapzone.exampleethereum · mainnet
Flagged
04 / verdictapprove(spender, amount)

Don't sign this

fixSet the allowance to 250 USDC, the amount of this swap.

why wallets

What changes for you

  1. Drop-in popup

    One component, themed with your tokens.

  2. Fewer support tickets

    Users understand what they sign, so fewer ask why money moved.

  3. Works offline first

    Checks run on the device and fall back to the API.

38%
fewer drained wallets in the first 90 days
1.2 s
median time to verdict
4
weeks to ship, on average

Read. Then sign.

Add Presign to your wallet and see every request in plain words before you confirm it.

PresignAstro + Sanity themeBuy this theme $59 (opens in a new tab)