Abhishek Chauhan ac12644

Abhishek Chauhan

Blockchain Architect & AI Agent Developer — Bitcoin L2, Ethereum, production-grade automation.

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Design tokenized workflows and agentic backends for real businesses
Build on Bitcoin L2 & EVM with payments, custody, KYC, and automation
Ship clean Next.js apps with queues, logs, CI/CD, metrics

Bitcoin LC Workflow with Node.js _{Bitcoin • Multisig • Trade} Implement an LC on Bitcoin with a 2-of-2 escrow, UTXO fetch, and co-signed release. Read →	Create a Bitcoin Multi-Signature Escrow (Node.js) _{Security • Escrow • bitcore-lib} 2-of-3 escrow (buyer/seller/escrow) with Node.js workflows and scenarios. Read →
Time-Locked Bitcoin Transactions _{nLockTime • Scheduling • APIs} Time-locks explained + Node.js helper to build future-timestamped tx on testnet. Read →	Using CPFP to Speed Up Bitcoin Transactions _{Fees • Mempool • Wallet UX} Craft a higher-fee child to confirm a stuck parent; step-by-step approach. Read →
How to Create a Blockchain Using Node.js _{P2P • LevelDB • APIs} Build a didactic P2P chain with LevelDB, wallet, REST API, and CLI. Read →	Enterprise-Grade Workflows with Smart Contracts _{Solidity • React • LC module} USD token + LC Manager + LC contracts; React frontend (Polygon Mumbai). Read →

BitBricks — Fractional real-estate tokenization (Italy): escrow, KYC, payouts. _{Next.js • Algorand} Link →	FiGo — Headless booking & credits; hosted checkout, webhooks, rate-limits. _{Multi-tenant • Stripe • Auditable} Link →
Tender Intelligence — EU/Italy tender agent with LangGraph + Firebase Functions. _{TED v3 • Matching • Summaries} Link →	Lily — Web3/NFT SaaS incubator. _{Thirdweb • ERC721 • Nextjs} Link →

🧰 Tech Stack Web3 Frontend Backend Data / DB Infra & DevOps More tools I ship with (queues, logs, auth, testing) Observability: OpenTelemetry, Grafana, Prometheus, Loki Queues & Jobs: BullMQ / Cloud Tasks Auth & Security: OAuth2/OIDC, JWT, KMS, RLS Testing: Vitest/Jest, Playwright	📊 By the numbers