Self Addressing data - SAD , SAID - future of secure end verifiable data

Self-addressable data is a familiar idea. IPFS uses a hash of data as a data address. Addressable data is everywhere, from memory and filesystems to databases and blockchains. If we focus on structured data, we could make a step forward. VC has some obvious limitations and downsides - JSON-LD is too noisy for IOT devices and systems that require a compact data representation. CBOR-LD and JSON-LD-based credentials, even for the same data, will have different signatures, and it is no way to compare and compose this data together. The solution for this problem is a serialization mechanism (https://datatracker.ietf.org/doc/html/draft-ssmith-cesr) that focuses on data tuples (key, values ) and has special cryptographic placeholders for a cryptographic digest of data. So cryptographic digest of data caller SAID (https://github.com/WebOfTrust/ietf-said)- self-addressable id and serialized data with identifier inside form SAD - self-addressable data. Now we have a crypto-powered lego-like b