Question: Blockchain could help to avoid double spending in cryptocurrency. Based on the information below, User A is sending 5 BTC to Users B and C
Blockchain could help to avoid double spending in cryptocurrency. Based on the information below, User A is sending 5 BTC to Users B and C almost simultaneously. Who is guaranteed to receive the payment from A? What rule describes the confirmation process of the transaction? (3marks)

User A Time of transaction 10:36 am on 10 Jan 2021 User B B1 10:38am on 10 Jan 2021 |User C C1 Subsequent blocks B2 B3 B4 C2 C3 C4 C5 C6
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