Tokens to be earned, not bought or sold.
The first owner of each token has completed a course by the Blockchain Arts Academy.
Their NFT is a certificate of attendance and competency.
Tokens to be earned, not bought or sold.
The first owner of each token has completed a course by the Blockchain Arts Academy.
Their NFT is a certificate of attendance and competency.
아이템
· 6
개Feb 2020
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Ethereum