Interactive Merkle Tree Explorer

Build, inspect, and verify cryptographic Merkle trees in real-time. Zero dependencies, EVM sorted-pair compatibility, and RFC 6962 second-preimage protection.

$ npm install merkle-tree-typescript 📋

Tree Input & Configuration

Leaf Items (one per line):

Algorithm:

Mode:

Calculated Merkle Root:

Calculating...

Selected Leaf Proof Path:

✅ Proof Valid

Interactive Tree Graph

Click any leaf node below to generate and trace its cryptographic proof path up to the root.

🎁 Web3 Token Airdrop Whitelist Sandbox

Simulates how Ethereum smart contracts use sorted-pair Merkle proofs to verify token claim eligibility on-chain with minimal gas.

Whitelist Recipients (address, amount):

Airdrop Merkle Root (for Solidity constructor):

Click Generate above

Claim Proof (bytes32[] for claimant #0):

📜 Tamper-Evident Event Ledger

Append-only security log demonstrating how Merkle roots change with each event, creating an immutable history.

Ledger Events (Chronological):

Current Cumulative Root:

No events yet

✅ Ledger Verified Intact