Issue blind tokens

Blind-signs up to 20 blinded messages (RSABSSA-SHA384-PSS-Randomized, RFC 9474) within the wallet’s (or attestation code’s) daily quota.

POST /v1/tokens/issue

Issue blind tokens

cURL

curl --request POST \
  --url https://relay-1.example.com/v1/tokens/issue \
  --header 'Content-Type: application/json' \
  --data '
{
  "app": "<string>",
  "epoch": 123,
  "wallet": "0x1111111111111111111111111111111111111111",
  "blinded": [
    "<string>"
  ],
  "ts": 123,
  "walletSignature": "<string>"
}
'

200

{
  "blindSignatures": [
    "<string>"
  ],
  "remaining": 123
}

Body

application/json

app · string · required

epoch · integer · required

Today's UTC day number.

wallet · string · required

Pattern: ^0x[0-9a-fA-F]{40}$

Example:

"0x1111111111111111111111111111111111111111"

blinded · string[] · required

Required array length: 1 - 20 elements

Blinded message, base64.

ts · integer · required

Unix milliseconds; must be within 5 minutes of the issuer's clock.

walletSignature · string · required

personal_sign by wallet over the issuance message (see the protocol reference).

Pattern: ^0x[0-9a-fA-F]*$

attestation · string

One-time attestation code, when the issuer requires codes.

Response

200

application/json

Blind signatures

blindSignatures · string[] · required

Blind signature, base64.

remaining · integer · required

Tokens left in today's quota.