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https://opensea.io/collection/dev-21
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sattar01152
@sattar01152
Hash and digital signature: Hash: Each block of information turns into a unique hash code. Hashes are created by security algorithms and even a small change in the block information will cause significant changes in the hash. This feature prevents fraud and unauthorized changes.
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Tina1880.base.eth🎩🔵
@mersana1398
ðŸŽðŸŽðŸŽ
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