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Smart contract development
Contracts, wallets, DeFi, and NFT logic in one product surface.
Webbaaz · Blockchain development
Contracts and Web3 in products that ship
Wallet connect, on-chain actions, and audits-minded contracts, besides the websites and apps your users already open.
- Free briefing before any invoice
- Practical Web3, not a whitepaper theatre
- Wired into Next.js products we already ship
Web3 UX
Wallet flows users finish
Contracts
Scoped + reviewed
2–8 wks
Typical first release
Staging first
You watch it run before go-live
Blockchain builds we cover
Wallet apps, smart contracts, and an NFT marketplace.
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Crypto wallet app
Backup phrase, balance, receive, and buy, screens a user can finish on a phone.
03
NFT marketplace
Collections, listings, and wallet checkout, with the contract behind the buy button.
How a first release works
01
Discovery
We map your wallet flow, chain, and contract scope in a focused briefing call.
02
Design & Scope
Our team designs the wallet UX and contract spec, then locks the scope for testnet deploy.
03
Build & Test
Contract development with testnet staging tested at every milestone before mainnet.
04
Launch & Support
Seamless deployment followed by 45 days of launch support.
Tech stack
Blockchain technologies we ship with
Smart contracts, wallet UX, and indexing, wired into products users already open.
Top technologies
SolidityEthereumPolygonBaseEthers.jswagmiHardhatFoundryNext.jsThe GraphIPFSWalletConnect+ and many more
Chains
EthereumPolygonBaseArbitrumBNB ChainSolana (scoped)+ and many more
Contracts
SolidityHardhatFoundryOpenZeppelinUpgrade patternsUnit tests+ and many more
Wallet & dApp UX
Ethers.jsviemwagmiRainbowKitWalletConnectMetaMask+ and many more
Data & indexing
The GraphEvent listenersPostgreSQL mirrorsIPFSPinata+ and many more
Product stack
Next.jsNestJSTypeScriptAdmin desksCRM hooksREST APIs+ and many more
Security
Test suitesAudit prepStaging netsKey hygieneMultisig options+ and many more
Stack is scoped in briefing. We pick what fits your product, not every tool on this page.
Starting prices
Clear USD starting builds
Briefing is free. Nothing is billed from this page. The list on each card is the first release, and many more items we map on the call.
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Blockchain builds
Crypto wallet
A phone wallet: backup, balance, receive, and one buy path.
From$8,990USD
Wallet screens on testnet, inside a product you can click.
Typically 4–6 weeks.
- +Recovery phrase flow
- +Balance and activity
- +Receive with QR
- +One buy or send action
- +Testnet staging
- +One revision round
- +45-day support
- +and many more
Blockchain builds
Most chosenSmart contracts
Scoped contracts plus the product UI they sit behind.
From$18,990USD
Contracts, wallet connect, and screens in one release.
Typically 8–12 weeks.
- +Scoped smart contracts
- +Testnet deploy
- +Wallet connect
- +Product screens for the main action
- +Events you can read in the app
- +Two revision rounds
- +Runbook for your team
- +45-day support
- +Staging URL before go-live
- +and many more
Blockchain builds
NFT marketplace
Collections, listings, and checkout with a wallet.
From$28,990USD
Marketplace UI plus the listing and buy contracts.
Typically 12–16 weeks.
- +Collection and listing screens
- +Wallet checkout
- +Listing and buy contracts
- +Testnet staging
- +Admin for featured drops
- +Audit coordination if you go to mainnet
- +Runbook for your team
- +45-day launch support
- +and many more
Blockchain development
Webbaaz builds practical Web3 features, wallet flows and smart contracts, inside product UIs users already understand.
Book a free briefing. We scope a wallet flow or contracts + UI release you can try on testnet first.
Frequently asked questions
Scope, audits, and what a first Web3 release includes.
What you get first
A wallet flow or contracts you can try on testnet before mainnet.
Who you talk to
One project contact through briefing, build, and launch.
Billing
Nothing is charged from this page. Ranges are confirmed in briefing.
No. We write and test scoped contracts and can coordinate an external audit when mainnet risk requires it. Briefing sets that expectation early.
Talk to us
How can we help you?
Same-day reply on WhatsApp or email. You are not billed from this page.
