Crypto payment integration and blockchain development
We built a payment processor that monitors Ethereum, TRON and BSC, detects transactions automatically and notifies merchants by webhook — production code handling real volume, not a proof of concept.
- ETH · TRON · BSC
- 6-10 weeks
- Running in production
What we build
Payment processors
Automatic transaction detection across chains, confirmation handling and webhook notifications to your backend.
Multi-chain monitoring
Ethereum, TRON and BSC, with the node and reorg handling that makes detection trustworthy.
Merchant dashboards
Balances, transaction history, payout management and API keys for your own customers.
Crypto wallets
Custodial and non-custodial wallets, token management and secure key storage, on web and React Native.
Fiat rails alongside crypto
Stripe with EU VAT when you need card and crypto payments in the same checkout.
Security & operations
Key management, rate limiting, audit logs and monitoring designed in rather than bolted on.
What you get
- Architecture and threat model before implementation
- Sprint demos on testnet every 1-2 weeks
- Your repository, full code access throughout
- Monitoring, alerting and audit logging
- Support through mainnet launch and after
Stack we use
- NestJS
- ethers.js
- PostgreSQL
- Redis
- Next.js
- Webhooks
Frequently asked questions
Which blockchains do you work with?
Ethereum, TRON and BSC in production today, plus any EVM-compatible chain. We use ethers.js and run our own monitoring rather than depending on a single third-party API.
How long does a crypto payment integration take?
A processor with multi-chain monitoring, a merchant dashboard and webhooks took us 8 weeks. A narrower integration into an existing product is usually 3-5 weeks.
How do you make transaction detection reliable?
We monitor chains directly and confirm against block depth, so reorgs and dropped transactions do not turn into wrong balances. Webhooks retry until your backend acknowledges them.
Can you build a crypto wallet app?
Yes. We shipped a React Native wallet with token management and secure key storage, running on iOS and Android from one codebase.
Do you handle custody or licensing?
We build the software; custody and licensing stay with you or your provider. We will tell you plainly which parts of your model need a regulated partner before we start.
Building something with crypto payments?
Tell us about your product. You will get a technical assessment and an estimate within 48 hours.