Accepting New Clients

Blockchain
&
Fintech
Dev for
Startups

We build the financial infrastructure your startup needs — smart contracts, DeFi protocols, and payment rails — shipped fast, secured rigorously.

50+

Contracts Deployed

$12M+

Value Secured

30+

Startups Served

// WHAT WE BUILD

Our Services

Smart Contract Dev

Production-ready, gas-optimized contracts in Solidity & Rust. Formally audited, test-covered, and mainnet-proven.

DeFi Integrations

Connect to Uniswap, Aave, Compound, and beyond. Liquidity pools, yield strategies, and cross-chain bridges — built correctly.

Payment Rails

Fiat on-ramps, stablecoin checkout, and crypto payment flows. We wire the pipes so your users can pay however they want.

Token Launch

Full-stack token engineering: tokenomics, ERC-20/721/1155, vesting schedules, and coordinated launchpad execution.

// RECENT WORK

Case Studies

Security Audit01

DeFi Yield Protocol Audit

Found 2 critical vulnerabilities in a $4M TVL Uniswap V3 fork before mainnet launch — preventing a potential total loss of funds.

SolidityHardhat
Confidential client
Token Engineering02

ERC-20 Token Launch

Deployed and listed a governance token for a DAO with 1,200 holders in 3 weeks — on-schedule, gas-optimized, and fully audited.

OpenZeppelinEthers.js
Confidential client
Payment Infrastructure03

Payment Rails Integration

Integrated Stripe + USDC stablecoin payments for a SaaS serving 500+ users — zero downtime cutover, dual-currency checkout live in 4 weeks.

Node.jsSolana Web3.js
Confidential client

// WHY TEAMS CHOOSE US

Why Ledgra

01

Fast Delivery

We move at startup speed. Projects ship in weeks, not quarters. No bloated processes — focused engineering with daily updates.

2–6 wks

avg. delivery

02

Audited Code

Every contract and critical path gets a formal security review. We follow SWC, OWASP, and internal checklists so you launch confidently.

100%

code reviewed

03

Startup-Friendly Pricing

Fixed-scope packages and milestone-based billing. No retainer lock-in. Scale the engagement as your funding rounds progress.

Flexible

engagement model

// START YOUR PROJECT

Ready to build?

Tell us about your project. We'll come back with a scope, timeline, and fixed price — no agency fluff.