DECO
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DECO Discussion Page
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In a sense, DECO is a piece of oracle tech just like price feeds, but its specialty is in proving the provenance of a particular piece of web2 information over TLS.
DECO uses ZK proofs to attest that a particular piece of web2 information a user has access to is valid. One application would be signing into your bank account and using DECO to prove to a smart contract you have a bank balance above a specific amount to qualify for a loan.