The ID or legacyId of the blockchain

Returns all blockchains supported by Fireblocks.

Options:

• :protocol (String.t/0) - The blockchain protocol

• :deprecated (boolean/0) - Is blockchain deprecated

• :test (boolean/0) - Is test blockchain

• :ids (list of String.t/0) - A list of blockchain IDs (max 100)

• :pageCursor (String.t/0) - Page cursor to fetch

• :pageSize (non_neg_integer/0) - Items per page (max 500)