An example embodiment performed by a scoped software application executable onacomputing device of a computational instance within a trust group ofcomputational instances ofa remote network management platform may involve obtaining a representation ofone or moretransactions involving the computational instance. The embodiment may alsoinvolve encryptingthe representation, using a pre-shared key to which at least somecomputational instances withinthe trust group have access. The embodiment may also involve placing theencryptedrepresentation into a data block that also includes: (i) a first outputgenerated by applying a hashfunction to content from a previous data block of a blockchain-basedtransaction ledger, and (ii)a second output generated by applying the hash function to the encryptedrepresentation and thefirst output. The embodiment may also involve distributing copies of the datablock toblockchain-based transaction ledgers within each computational instance of thetrust group.
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