Koddi walks us through a hypothetical example of a reservation blockchain where we want to develop a blockchain that manages reservations between hotel suppliers and OTAs. The hotel supplier would be considered the trusted authority who generates the security certificates that its “trusted issuers” (OTAs) will sign their data with. This means we can always guarantee a request is coming from a given issuer because the data sent from them is signed with a unique certificate that only they have access to. Unless the certificate is shared or comprised, this data will remain unreadable by other participants.

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