Klaytn (KLAY): Popular in South Korea's NFT scene. Strong developer support. Avalanche (AVAX): Promotes interoperability with other blockchains. An ecosystem growing in NFT popularity. Layer 2 Chains: Also support Arbitrum，Scroll，optimism，manta，Polygonzkevm，ImmutableX etc. Improved scalability, reduced fees, and enhanced NFT minting capabilities. There are 21 chains and 32 aggregate markets that you can explore through the OKX NFT Marketplace.