08 — Cryptocurrency

DOGE, LTC, BTC — non-custodial

CEO Summary

Cryptocurrency is a key differentiator. Non-custodial DOGE, LTC, BTC — businesses retain full control of keys. Business value: Competitive edge; attracts crypto-native merchants. Key metrics: Crypto transaction volume, wallet health. If this breaks: Crypto tender fails; existing crypto balances unaffected (keys held by merchant).

Overview

Non-custodial: Dogecoin (DOGE), Litecoin (LTC), Bitcoin (BTC). Businesses retain full control of keys.

Architecture

Wallet services — dogeWallet.service.js, ltcClient.js
Price feeds — dogePrice.js, ltcPrice.js, btcPrice.js
Webhooks — Wallet notify when payment received

Routes

doge.routes, ltc.routes, crypto-config, crypto-wallet, crypto-prices, rates, webhooks.doge, webhooks.ltc

POS Crypto Tender

POST /api/pos/carts/:id/tender/crypto — Creates crypto invoice; webhook confirms payment → cart finalizes.

Models

cryptoConfig, cryptoInvoice, wallet, walletAccount, walletAddress