NFT marketplaces in ethereum compatilbe chains and solana, MultiversX, near, aptos.

I can build nft marketplaces in several chains such as ethereum, bsc, polygon, fantom, harmony, cronos, dogechain, and also solana, multiversX, near, kadena, aptos chains.

1. NFT collection launchpad.

2. NFT direct buy and sell.

3. NFT Auction.

4. NFT Offer.

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