anchor.diff:  skein256-240,                   multihash,      0xb31e,         draft,
   skein256-248,                   multihash,      0xb31f,         draft,
   skein256-256,                   multihash,      0xb320,         draft,
  -skein512-8,                     multihash,      0xb321,         draft,    Skein512 consists of 64 output lengths that give different hashes
  +skein512-8,                     multihash,      0xb321,         draft,     Skein512 consists of 64 output lengths that give different hashes
   skein512-16,                    multihash,      0xb322,         draft,
   skein512-24,                    multihash,      0xb323,         draft,
   skein512-32,                    multihash,      0xb324,         draft,
  
positive.code: skein512-496,                   multihash,      0xb35e,         draft,
  skein512-504,                   multihash,      0xb35f,         draft,
  skein512-512,                   multihash,      0xb360,         draft,
  skein1024-8,                    multihash,      0xb361,         draft,    Skein1024 consists of 128 output lengths that give different hashes
  skein1024-16,                   multihash,      0xb362,         draft,
  skein1024-24,                   multihash,      0xb363,         draft,
  skein1024-32,                   multihash,      0xb364,         draft,
  
negative.code: skein1024-1008,                 multihash,      0xb3de,         draft,
  skein1024-1016,                 multihash,      0xb3df,         draft,
  skein1024-1024,                 multihash,      0xb3e0,         draft,
  poseidon-bls12_381-a2-fc1,      multihash,      0xb401,         draft,     Poseidon using BLS12-381 and arity of 2 with Filecoin parameters
  poseidon-bls12_381-a2-fc1-sc,   multihash,      0xb402,         draft,     Poseidon using BLS12-381 and arity of 2 with Filecoin parameters - high-security variant
  zeroxcert-imprint-256,          zeroxcert,      0xce11,         draft,     0xcert Asset Imprint (root hash)
  fil-commitment-unsealed,        filecoin,       0xf101,         permanent, Filecoin piece or sector data commitment merkle node/root (CommP & CommD)
  fil-commitment-sealed,          filecoin,       0xf102,         permanent, Filecoin sector data commitment merkle node/root - sealed and replicated (CommR)
  holochain-adr-v0,               holochain,      0x807124,       draft,     Holochain v0 address    + 8 R-S (63 x Base-32)
  holochain-adr-v1,               holochain,      0x817124,       draft,     Holochain v1 address    + 8 R-S (63 x Base-32)
  holochain-key-v0,               holochain,      0x947124,       draft,     Holochain v0 public key + 8 R-S (63 x Base-32)
  holochain-key-v1,               holochain,      0x957124,       draft,     Holochain v1 public key + 8 R-S (63 x Base-32)
  holochain-sig-v0,               holochain,      0xa27124,       draft,     Holochain v0 signature  + 8 R-S (63 x Base-32)
  holochain-sig-v1,               holochain,      0xa37124,       draft,     Holochain v1 signature  + 8 R-S (63 x Base-32)
  skynet-ns,                      namespace,      0xb19910,       draft,     Skynet Namespace
  