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The more basic article on Bitcoin Addresses may be more appropriate. A Bitcoin address is a 160-bit hash of the public portion of a public/private ECDSA keypair. Using public-key cryptography, you can sign data with your private key and anyone who knows your public key can verify that the signature is valid.
Field Value. Validates that the account Billing Zip/Postal Code is valid. by looking up the first five characters of the value in a custom object. called Zip_Code__c that contains a record for every valid zip code in the. US. If the zip code is not found in the Zip_Code__c object, or the.