DAO tooling startup
- Challenge
- ERC-20 voting hooks lacked cap checks and timelock on admin pause.
- Simplileap solution
- OpenZeppelin patterns, Slither/Mythril, and audit documentation pack.
- Outcome
- External audit: zero critical findings post-fix.
// Build
NFT Smart Contracts
NFT contracts are deceptively complex, mint mechanics, metadata, royalties, reveal phases, and marketplace compatibility all require careful implementation. We build NFT contracts that are secure, gas-efficient, and fully featured.
// Key benefits
What makes this service valuable
Gas-efficient minting
ERC721A for batch minting efficiency, optimised storage layout, and merkle-based allowlists, reducing gas costs for both deployment and user minting.
Marketplace compatible
OpenSea, Blur, and LooksRare compatibility with EIP-2981 on-chain royalties, Operator Filter Registry support, and metadata standards that render correctly on all major platforms.
Reveal mechanics
Blind reveal with Chainlink VRF for provably fair randomness, pre-reveal placeholder, and metadata reveal mechanics that build launch anticipation.
// Details
NFT contracts built for launch and beyond
NFT launches are high-stress events: simultaneous minting, gas spikes, and security attacks from bots and front-runners. We build contracts that handle launch conditions gracefully, batch minting, allowlist phases, and price escalation mechanics.
Post-launch NFT contracts need ongoing consideration: royalty enforcement, metadata updates, staking and utility extensions. We architect for this lifecycle from the start.
// What this includes
- ERC721 / ERC721A / ERC1155 implementation
- Allowlist (merkle tree) minting phase
- Dutch auction and price mechanics
- Chainlink VRF for fair randomness
- EIP-2981 on-chain royalties
- IPFS metadata storage and reveal
- OpenSea and marketplace compatibility
// Deliverables
What you receive
Every engagement produces clear, documented deliverables. Here is exactly what is included in our nft smart contracts service.
- 01NFT smart contract with test suite
- 02Allowlist merkle tree generator
- 03Metadata storage setup (IPFS / Arweave)
- 04Deployment and verification scripts
- 05Marketplace listing documentation
- 06Technical documentation for community
// In practice
How nft smart contracts engagements run
We typically anchor the first sprint on gas-efficient minting. NFT contracts are deceptively complex, mint mechanics, metadata, royalties, reveal phases, and marketplace compatibility all require careful implementation. We build NFT contracts that are secure, gas-efficient, and fully featured. On Residency Road engagements, discovery maps dependencies and success metrics before sprint one. Architecture choices, API contracts, and observability hooks are documented before the first production deploy.
// Stack & frameworks
Stack we use for this
Frontend
- Next.js App Router
- React 18+
- Tailwind CSS
- Core Web Vitals tuning
Backend & data
- Node.js / Python APIs
- PostgreSQL
- Redis caching
- REST & GraphQL
Operations
- CI/CD pipelines
- Docker / Kubernetes
- Observability
- Security hardening
// Delivery
Simplileap execution framework
01
Architecture mapping
Dependencies, API contracts, compliance constraints, and performance budgets documented before sprint one.
02
Secure sprints
Two-week increments with GitHub access, demo recordings, and QA checkpoints, client visibility at every stage.
03
QA & handover
Automated tests on critical paths, security review, runbooks, and knowledge transfer to your team.
// Proof
Real deployments from Bangalore
Retail loyalty consortium
- Challenge
- Reward minting required multisig upgrades and metadata pinning.
- Simplileap solution
- ERC-1155 contracts, Timelock, and IPFS + CDN fallback.
- Outcome
- 48k wallets minted; external audit passed.
// Engagement models
How teams engage us
Currency
| Package | Ideal for | Investment | Includes |
|---|---|---|---|
| Smart contract development | Token & governance projects | ₹3L – ₹10L |
|
| DApp / Web3 product | Full-stack Web3 | ₹10L – ₹30L |
|
| Audit documentation pack | Pre-audit teams | Scoped add-on |
|
// Company and service positioning
Company and Service positioning is reviewed for production delivery standards by Harsha Parthasarathy (Co-Founder, Strategy & Operations 24+ years IT veteran, IBM, Global Delivery, Program Management) and Keshav Sharma (Co-Founder, Engineering and Lead Architect, Full-stack engineering, product delivery and technical standards).
CIN
AAU-8582
Startup India
DIPP83124
Founded
November 2020
Office
Residency Rd, Bengaluru, India
// FAQ
Common questions about nft smart contracts
What is the difference between ERC-721 and ERC-721A?+
ERC-721A (by Azuki) is a gas-optimised extension that reduces the cost of batch minting significantly, minting 10 NFTs costs approximately the same as minting 1 with ERC-721A vs 10x the cost with standard ERC-721.
Do you store NFT images on-chain or off-chain?+
Storing images fully on-chain is gas-prohibitive for most projects. We use IPFS or Arweave for decentralised storage, with CID references stored on-chain. Arweave provides permanent storage; IPFS requires pinning.
Ready to get started with nft smart contracts?
Share your requirements with our team. We respond within one business day with a clear plan from discovery to delivery.