Activate Transaction Allowlist

Avalanche L1s do not implement permissioning by default. To enable permissioning, you need to activate the transaction allowlist precompile in the genesis. This allows only approved addresses to issue transactions on your blockchain.

Genesis Builder

Create a genesis file for your new blockchain.

Configuration

Basic Configuration

Owner Address

Address that will receive initial funds

Owner Initial Balance

Tokens for initial balance (converted to wei automatically)

Chain ID

Unique identifier for your blockchain

Gas Limit

Maximum gas allowed per block

Target Block Rate (seconds)

Target time between blocks in seconds

Precompile Configuration

Contract Deployer Allow List

0x0200000000000000000000000000000000000000

Native Minter

0x0200000000000000000000000000000000000001

Transaction Allow List

0x0200000000000000000000000000000000000002

Fee Manager

0x0200000000000000000000000000000000000003

Reward Manager

0x0200000000000000000000000000000000000004

Warp Messenger

0x0200000000000000000000000000000000000005

Quorum Numerator

Quorum numerator for warp messaging (denominator is 100)

Require Primary Network Signers

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