Every question about public versus private networks is really one question: does this job need a gatekeeper, or need there to be none? Pick a job and see which network fits, and exactly why.
Educational only. Not financial or investment advice. Even-handed by design: neither lane is the good oneFinality and reversibility. The major public networks make settled transfers final by design: once a transaction is confirmed there is no administrator with the authority to reverse it, and each network's own developer documentation describes settlement that way (see developer.bitcoin.org, ethereum.org and xrpl.org). On operated networks and conventional payment systems, the operator's ability to reverse, freeze or unwind entries is a documented feature of the system's rulebook, not a defect.
Gatekeeper claims. Permissioned-ledger platforms describe membership control as a core design goal: an operator or consortium decides who may join, read and write, typically through a membership or identity service. That is the published design of the enterprise ledger frameworks (the Hyperledger Fabric documentation is a representative example), and it is what this tool means by a gatekeeper.
Survivability. The survivability claim rests on node distribution: the record on a large public network is replicated across thousands of independently operated nodes in many countries, which public node trackers make visible (for example coin.dance. Content last reviewed July 2026 for Bitcoin, and the validator and node registries published for other networks). No single operator's disappearance halts a record held that widely. A private network's continuity is tied to its operator by construction.
Privacy. On the major public networks, addresses and their full transaction histories are openly queryable through public block explorers; names are not attached on-chain, but the record is public. A private network restricts who can read the ledger to the operator and its admitted members, which is the basis of the privacy scenario.
The platform-account scenario describes custodial access: the asset itself lives on a public network while your access to it runs through an operated platform, so both descriptions apply at once, each to a different layer. Which layer you are standing in determines which properties you actually have.
What this tool does not do. It does not score networks, name winners, or suggest what anyone should hold. It maps each job to the design whose own documentation matches that job, and the answer differs by job on purpose.