Per chain_id in CAIP-2. In that spec all chain IDs are scoped (namespace:reference) but in the Cosmos ecosystem the namespace is implied and they use chain_id/chainId for what CAIP-2 calls the reference. We qualify the term here to avoid confusion.
chain_id
chainId
reference
https://chainagnostic.org/CAIPs/caip-2
Per
chain_idin CAIP-2. In that spec all chain IDs are scoped (namespace:reference) but in the Cosmos ecosystem the namespace is implied and they usechain_id/chainIdfor what CAIP-2 calls thereference. We qualify the term here to avoid confusion.