Stellar Solution Overview

Main flows overview

Nodes / Legend

Wirex Pay App Сlient-facing application.

Crossmint Account Backend Operated by Crossmint and initiates account deployments.

Crossmint Contract Factory A Stellar smart contract that is used to deploy individual smart accounts.

WirexPay User Account A smart contract account that has an Owner Wallet and the WirexPay Funds Manager as signers, and the Timelock Policy as a plugin.

Owner Wallet A Stellar wallet that acts as a user’s key to their smart account. Created by Crossmint.

WirexPay Funds Manager A Stellar smart contract controlled by WirexPay that debits funds for card transactions initiated by Visa.

Timelock Policy A Stellar smart contract that authorises the outbound transactions from the User Account and implements the delay logic for user-initiated transactions.

Account Management Contract A Stellar smart contract controlled by WirexPay that serves as a registry of User Accounts.

WirexPay Backend Operated by WirexPay, initiates transactions for inbound and outbound card and bank transfers on the User Account.

Funds Buffer A Stellar smart contract operated by WirexPay where operational funds are stored and used for inbound and outbound card and bank transfers.