Ive been looking through documentation and articles but couldnt really find anything about it. I assume its the hash of all concatenated attributes? I am not talking about the bundle hash.

And a second question: How is the integrity of the references to the two tips guaranteed? Is it because those references are included in the tx hash?

  • I’m voting to close this question because it is about the legacy-network and it is a good idea to keep only Shimmer/ShimmerEVM and latest IOTA Chrysalis questions Apr 24, 2023 at 14:02

2 Answers 2


Yes and Yes :-)

It is simply the CURLP-81 of all the trytes in the transaction.



Please be aware that IOTA has changed at architectural level.

Read about it in the official documentation: https://docs.iota.org/

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