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BCS EXIN Essentials Certificate in Blockchain

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Q_01 domain/d1 · medium single discuss →

A logistics analyst reviews a supply chain deployment and describes blockchain as 'a distributed ledger technology' that maintains a record of transactions. According to the source material, which characteristic of the blockchain platform ensures that a stored shipment record cannot later be tampered with?

A Records are encrypted so only the sender can read them
B Once added to the platform, information cannot be deleted or changed
C A central gatekeeper approves every change to the ledger
D Records are automatically archived off-chain after each transaction

Q_02 domain/d1 · medium single discuss →

A financial regulator is contrasting two forms of DLT network before deciding whether a firm's deployment fits its regulatory regime. Based on the FCA-referenced distinction, which statement correctly describes a permissionless network?

A It features a gatekeeper who controls who can access the network
B It allows general public visibility of transactions online and is open for broad participation
C It restricts transaction visibility to a single central authority
D It can only be used for regulated financial instruments

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