"CryptoSpells" is a web game in Japan, using block chain technology. By recording the card issued by ERC 721 on the block chain, the ownership of the user is proved. Users can freely buy and sell cards through the marketplace.
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Asymmetric Research Strengthens Stacks Ecosystem as Security Partner and SignerAsymmetric Research joins the Stacks ecosystem, enhancing security for sBTC and advancing Bitcoin L2.
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