Let's suppouse A user send tokens to B user. It may be hard to consider it to be confirmed yet. At this point B send the tokens received to another address. Could this transaction be successful? Is there any solution to increase the probability of success for the second transaction?


Assume we have:

  • Ta: A send K tokens to B, signed by A.
  • Tb: B send J tokens to C, signed by B.

Since the transactions Ta and Tb are frow two different addresses the miners do not have to process them in order.

Even if B waits for enough confirmation there's nothing that prohibit miners to cause a chain reorganization. Waiting for lots of confirmations gives you a very high probability that it will not occur.

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