[ engineering / blockchain-web3 ]

Blockchain and Web3

We build on-chain products and the systems around them: smart contracts, wallets, and the backends that keep them in sync. Audited patterns, tested contracts, and interfaces that hide the complexity from your users.

solidityethershardhat
Vault.sol
1// contracts/Vault.sol2function deposit() external payable {3    require(msg.value > 0, "no value");4    balances[msg.sender] += msg.value;5    emit Deposit(msg.sender, msg.value);6}_

What we build

  • Smart contracts and token systems
  • Wallet integration and on-chain auth
  • NFT minting and marketplaces
  • Indexers that track on-chain events

What you get

  • Contracts tested before they ship
  • Gas costs kept in check
  • Simple interfaces on web3 rails

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