Update the required confirmation threshold for your multisig wallet with preview and validation.

Simulate flash loans with custom calldata to test profitability and gas costs on EVM chains.

Cancel submitted intents with one transaction. Remove unfilled intents before execution and release locked tokens by intent ID.

Deploy linear vesting contracts with factory support, approval handling, and parameter validation for EVM chains.

Batch send tokens on any Arbitrum Orbit L3 chain using a compatible multisender contract (custom gas token support).

Convert between gwei, wei, and ether denominations with precise BigNumber arithmetic and formatting.

Queue new transactions in your multisig wallet for approval by other signers with full preview and validation.

Simulates bundles of up to 3 Ethereum transactions via eth_call, showing gas, return values, and cumulative costs before broadcast.

Interactive Hardhat console with JSON-RPC execution, contract debugging, and chunked log scanning for local development.

Analyze calldata size and gas costs to identify optimization opportunities for reducing transaction costs in smart contracts.

Batch distribute Zora NFT royalties to multiple recipients with defined percentage splits. === FILE: description ===

Select gas-optimized DEX routes with gas cost estimation, route comparison, and slippage protection.

Tracks Approval, Transfer, and ownership events on any contract to trace multi-reviewer approval history.

Transfer water rights tokens between members: verify balances, restrictions, compliance, and record transfers on-chain.

Batch send USDB (Blast's native stablecoin) to multiple recipients on Blast mainnet in one transaction using shared multi-send

Scan token pairs across DEXes to detect profitable arbitrage opportunities on EVM chains.

Extract recipients from a previous transaction on any L2 and resend ERC-20 tokens to them in one batch.

ERC-20 permit-based gasless approval checker. Reads nonces, allowance, and domain separator state.

Simulate building a custom EVM blockchain. Configure chain name, ID, currency, consensus (PoA/PoS/PoW), and block time.

Simulate MEV bundles and detect arbitrage, liquidation, and sandwich opportunities on EVM chains.

Batch send WETH (wrapped ETH) to multiple recipients on Blast mainnet in one transaction using shared multi-send contracts.

Withdraw deposits from paymaster contracts with eligibility checks, limit verification, and withdrawal history tracking.

Verify the checksum of a BIP39 seed phrase locally in your browser. Instantly check if a 12 or 24-word phrase is cryptographically

Scans Solidity contracts for signature replay vulnerabilities, focusing on EIP-2612 permit, nonce, and deadline usage.