47 mentors online · avg $12 / block

SHIP BETTER
SOLIDITY.
PAY PER BLOCK.

Learn smart contracts 1-on-1 with senior web3 devs who've shipped production DeFi protocols. Auto-billed in 15-minute blocks — start, stop, pay only for what you use.

How it works
Vault.sol — live session
● LIVEblock 3 / 15:00
1 function deposit(uint256 amount) external {
2 // ← mentor: add nonReentrant guard here
3 require(amount > 0, "zero");
4 balances[msg.sender] += amount;
5 }
A
Alex Chen · DeFi Mentor
$12 / block
2,400+
Sessions completed
47
Verified mentors
$12
Avg. per 15-min block
4.96★
Avg. mentor rating
// how_it_works

Three steps to your first session

01

Browse verified mentors

Filter by expertise: DeFi, security audits, ERC standards, NFT contracts, gas optimization, L2 development.

02

Start a live session

Jump into screenshare + live code review instantly. No scheduling, no waiting. Your mentor is live and ready.

03

Pay per 15-min block

Stripe auto-charges each block as you go. End the session between blocks — never pay for unused time.

// for_junior_devs

Learn from devs
who've shipped
real contracts.

Every mentor on DevBlock has deployed production smart contracts — DeFi protocols, NFT marketplaces, DAO tooling. You're learning from people who've done it, not people who've read about it.

Verified on-chain deployments required to join
◈
Production-proven mentors
Verified smart contract deployments. Not tutorial writers — engineers with live mainnet code.
⏱
Pay-as-you-go
No subscriptions, no minimums. One 15-min block is $8–15 depending on mentor tier.
⚡
Cancel between blocks
Stop any session at the end of a block. You're charged only for time you used.
⬡
Any web3 topic
ERC-20/721/1155, DeFi protocols, security audits, gas optimization, cross-chain, L2s.
// available_now

Senior devs. Live now.

Book a session with a verified mentor who's deployed production code.

A
online

Alex Chen

DeFi Protocol Engineer
Former Compound Finance
DeFiERC-20Yield
312 sessions · ★4.97
M
online

Maya Patel

Smart Contract Auditor
OpenZeppelin Alumni
SecurityAuditsEVM
189 sessions · ★4.95
R
online

Riku Tanaka

NFT & Protocol Dev
ex-Axie Infinity
NFTsERC-721L2s
247 sessions · ★4.92
// get_started

YOUR NEXT SMART CONTRACT
STARTS IN 15 MINUTES.

No commitment. No subscription. Just 15 minutes with a real senior dev.

entry block
$8
·
senior block
$15
·
per 15 min
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