Dubai-based technology company ColossalBit, focusing on non-fungible tokens (NFTs), has purchased the NFT of the ST DuPont pen used by football legend Diego Maradona to sign a contract with Napoli in 1984. ColossalBit, a Dubai-based consulting, design, and development company specializing in blockchain, cryptocurrencies, DeFi, and NFTs, made the winning bid for the S.T. DuPont…