ACCA Strategic Professional · Strategic Business Leader · Enabling success: disruptive technologies

Harbourline Logistics, a shipping group, is considering a blockchain platform shared with ports, customs agencies and insurers so that every party sees the same bill of lading data. Entries cannot be altered by any single participant without the agreement of others. Which feature of blockchain does this most directly describe?

The scenario describes a distributed ledger with consensus validation. Every participant holds a copy of the same record, and entries cannot be changed by one party alone, which makes the record shared and tamper-resistant, unlike a centralised database controlled by a single organisation.

AA distributed ledger with consensus-based validation, giving a shared and tamper-resistant recordCorrect
BA centralised database controlled by the shipping group alone
CA data warehouse used for predictive analytics
DAn encrypted email system between trading partners

Explanation

A blockchain is a distributed ledger replicated across participants, where new entries are validated by consensus and linked to earlier blocks, so changing history requires agreement. A centralised database is controlled by one party, which is the opposite of the described arrangement.

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