https://lists.w3.org/Archives/Public/w3c-ietf-xmldsig/2001AprJun/0061.html
Re: ds:CryptoBinary vs. base64Binary from Joseph M. Reagle Jr. on 2001-04-17...
https://lists.w3.org/Archives/Public/w3c-ietf-xmldsig/2001AprJun/0272.html
Re: XML Schema base64Binary simple type from Joseph M. Reagle Jr. on 2001-06-12...
https://www.ibm.com/docs/en/db2/11.5.x?topic=system-base64binary-data-type
base64Binary data type (Db2 XQuery)
The xs:base64Binary data type represents base64-encoded binary data. Derived from data type xdt:anyAtomicType.
data typexquery