Multi-Token Gate Requirement Checker-and-Access Tool

WHAT IT DOES

This tool checks multi-token gate requirements, helping users determine if they meet combined token and NFT ownership conditions for accessing gated content or services. Given a gate/access control contract address, a user address, and a list of token requirements (each specifying a token address, optional token ID, and optional minimum balance), it reads the user's balance for each token, detects whether each is an ERC20 or ERC721, and checks ownership of specific NFT token IDs. It also reads the gate contract's own checkAccess function, access level, and requirement count for comparison. The tool then displays a requirement grid showing each token's address, type (NFT or ERC20), symbol, balance, ownership status, and whether the requirement is met. Overall gate status is determined as All passed, Partial (some requirements met), or Failed (none met). All data is pulled directly from the blockchain in real time, providing a transparent, comprehensive view of multi-token access eligibility.

HOW TO USE

Connect your wallet using the Connect button in the header, or enter a user address manually. Select the target network from the dropdown—Ethereum Mainnet, Polygon, Optimism, Arbitrum One, Base, or Sepolia testnet. Enter the gate/access control contract address. Enter each token requirement on a separate line in the format: token_address[,tokenId,minBalance]. For ERC20 tokens, omit the token ID or set it to empty (e.g., 0x123... for balance > 0, or 0x123...,,100 for minimum balance of 100). For NFTs, specify the token ID (e.g., 0x456...,1 for ownership of NFT with ID 1). Click "Check gate." The tool will fetch the user's balances, NFT ownership, and the gate contract's own access checks. Results appear in the card below with a prominent gate status badge, a detailed requirement grid showing each token's address, type, balance, ownership, and pass/fail status, and a summary of how many requirements were passed. Use this information to determine multi-token access eligibility.

MULTI-TOKEN GATE VERIFICATION WITH AUTOMATIC TOKEN TYPE DETECTION AND REQUIREMENT GRID

The tool provides comprehensive multi-token gate verification through automatic token type detection and parallel checking. For each token requirement, it attempts to detect the token type by trying the ERC721 interface (ownerOf, symbol, balanceOf) and falling back to ERC20 if that fails. For NFTs, it checks the user's balance of the collection and, if a token ID is provided, verifies ownership of that specific token. For ERC20 tokens, it reads the user's balance, applies the token's decimals for proper formatting, and compares it against the minimum balance requirement. The tool then checks the gate contract's own checkAccess() function to see if the contract's internal logic considers the user eligible, and reads getAccessLevel() for granular permission tiers and getRequirementCount() to understand the contract's own requirement structure. All requirements are displayed in a clean grid with visual pass/fail indicators, making it easy to identify which requirements are met and which are not. The overall gate status provides a clear summary of combined eligibility.

WHAT IT CANNOT SEE

This tool cannot verify off-chain access conditions or ensure that the content or service is actually available. It cannot ensure content authenticity or detect token transfer fraud. It cannot validate user identity beyond the wallet address. It cannot guarantee that combined access is enforced correctly by the gate contract. It cannot assure that the gate contract is free from vulnerabilities, bugs, or malicious code. It cannot verify that the token addresses are correct or that the token IDs correspond to legitimate NFTs. It cannot detect front-running or other attacks on the access check. It cannot provide legal or security advice or guarantee that accessing the content is safe. All data is provided as-is for informational purposes only; any reliance on the tool's output for access decisions is the sole responsibility of the user.

PLEASE NOTE

This tool supports EVM-compatible chains only: Ethereum Mainnet (1), Polygon (137), Optimism (10), Arbitrum One (42161), Base (8453), and Sepolia testnet (11155111). Solana, Tron, Starknet, SUI, TON, Aptos, Bitcoin, Cosmos, and XRP are not supported. The tool requires a Web3 provider (MetaMask or WalletConnect) and access to an RPC endpoint for the selected chain. It does not store any wallet data, token addresses, or gate records. All queries are performed directly against the blockchain in real time. The tool only provides read-only information and does not execute any transactions. Access eligibility is a snapshot based on current on-chain data and does not guarantee access at a later time. Always verify critical data independently through a block explorer and consult with content providers before relying on any access decision.