# 🦾 Audit the Zed
**URL:** https://forum.zcashcommunity.com/t/audit-the-zed/37532
**Category:** protocol
**Created:** [October 7, 2020, 1:52pm UTC](https://forum.zcashcommunity.com/t/audit-the-zed/37532 "2020-10-07T13:52:18Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@jmsjsph](https://forum.zcashcommunity.com/u/jmsjsph)
#### Post date: [October 7, 2020, 1:52pm UTC](https://forum.zcashcommunity.com/t/audit-the-zed/37532/1 "2020-10-07T13:52:18Z")
> One way to audit [#Zcash](https://mobile.twitter.com/hashtag/Zcash?src=hashtag_click) would be for exchanges to collaborate and check if their collective “total excess sold \> circulating supply”.
[@jespow](https://mobile.twitter.com/jespow)
[@cz\_binance](https://mobile.twitter.com/cz_binance)
>
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### Author:  [@Mikerah](https://forum.zcashcommunity.com/u/Mikerah)
#### Post date: [October 7, 2020, 9:26pm UTC](https://forum.zcashcommunity.com/t/audit-the-zed/37532/2 "2020-10-07T21:26:00Z")
Maybe coming up with a distributed Proof of Reserves protocol that works for an L1 might be valuable here. I might need to dust off my notes on when I was trying to write a Proof of Reserves protocol for Zcash.
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### Author:  [@jmsjsph](https://forum.zcashcommunity.com/u/jmsjsph)
#### Post date: [October 8, 2020, 10:32am UTC](https://forum.zcashcommunity.com/t/audit-the-zed/37532/3 "2020-10-08T10:32:26Z")
Ahh… “Proof of Reserves”
> If there’s a single thing I could do to better this industry, it would be to convince every custodial service provider in the cryptocurrency space to adopt a routine Proof of Reserve program.
> [Proof of Reserves – Nic Carter](https://niccarter.info/proof-of-reserves/)
I guess it isn’t the first time this was suggested, at least elsewhere. Would be interesting to compare your notes!