KGH NFT Migration

The Kroma team will cover all transaction fees associated with this migration by refunding the fees spent on Kroma.

Overview

One of the key utilities of KGH NFTs is their ability to be staked and boost the validator rewards of the new KRO-based Validator System. As Kroma operates as an Ethereum Layer 2, all security-related activities must be performed on Ethereum. Originally, KGH NFTs are minted on the Kroma network (L2), but the validator system of Kroma is on the Ethereum network (L1). To serve their purpose, KGH NFTs must be migrated to the Ethereum network. The claiming of locked KRO tokens of KGH NFTs will also happen on the Ethereum network.

How to migrate your KGH NFTs to the Ethereum network

Step 1. Visit KGH NFT Migration Page

• Navigate to https://kgh.kroma.network/my-kgh-nfts/migrate-to-l1.

• Connect your wallet that holds the KGH NFTs.

• Click the ‘Migrate Now’ button to initiate the migration process.

Step 2. Approve KGH NFTs

• Click the ‘Approve All’ button to grant permission to the KGH NFT Migration contract to perform the migration.

• Note: Approving multiple NFTs at once might trigger MetaMask to display warnings. However, as long as you are performing actions on the ‘kgh.kroma.network’ website, it is safe.

Step 3. Migrate KGH NFTs

• Once the approval transaction is confirmed, you will be presented with the ‘Migrate’ button. Click this button to start the migration.

• The migration consists of two steps:

  • Burning KGH NFTs on the Kroma network

  • Minting KGH NFTs on the Ethereum network

• Note: It takes about a minute for all transactions to be completed, as the Ethereum block time is approximately 12 seconds.

After the migration

• Proceed to claim your KRO tokens locked in the KGH NFTs. Visit the My KGH NFTs tab to claim your tokens.

• After claiming all of your locked KRO tokens, you can stake your KGH NFTs with your preferred validators to receive Validator Boost rewards.