# \#aztecnr

**URL:** https://forum.aztec.network/tag/aztecnr/27.md

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## [What is msg\_sender when calling private-\>public? (Plus a big foray into Stealth Addresses)](https://forum.aztec.network/t/what-is-msg-sender-when-calling-private-public-plus-a-big-foray-into-stealth-addresses/7527)

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**Author:** [@Mike](https://forum.aztec.network/u/Mike)\
**Replies:** 8\
**Last updated:** [March 9, 2025, 4:38pm UTC](https://forum.aztec.network/t/what-is-msg-sender-when-calling-private-public-plus-a-big-foray-into-stealth-addresses/7527 "2025-03-09T16:38:46Z")

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Thanks to Joe, Nico, Palla, Lasse, Jan, Zac, and several others for discussion on this topic so far. Related, but outdated and less detailed: Who is msg.sender when making private -\> public function calls This pos…

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## [TransferFrom & Escrow Nullification Patterns](https://forum.aztec.network/t/transferfrom-escrow-nullification-patterns/7528)

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**Author:** [@Mike](https://forum.aztec.network/u/Mike)\
**Replies:** 0\
**Last updated:** [March 6, 2025, 5:48pm UTC](https://forum.aztec.network/t/transferfrom-escrow-nullification-patterns/7528 "2025-03-06T17:48:40Z")

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TransferFrom: How to enable someone else to nullify your note? Escrow: Giving ownership of a note to a non-human smart contract. How can the note then be nullified? I explored in great detail the many considerations th…