# \[RESOLVED\] "Transaction occurred at time when issuing address was not considered valid." **URL:** \ **Category:** Technical\ **Created:** [December 26, 2018, 5:45pm UTC](https://community.blockcerts.org/t/resolved-transaction-occurred-at-time-when-issuing-address-was-not-considered-valid/1592 "2018-12-26T17:45:05Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![ppfish45](https://avatars.discourse-cdn.com/v4/letter/p/ecc23a/32.png) [@ppfish45](https://community.blockcerts.org/u/ppfish45)\ **Post date:** [December 26, 2018, 5:45pm UTC](https://community.blockcerts.org/t/resolved-transaction-occurred-at-time-when-issuing-address-was-not-considered-valid/1592/1 "2018-12-26T17:45:05Z")
Hi everyone, Recently I am trying to deploy my first blockcert from the scratch. And here is roughly what I have done: 1. Generated a wallet address (as well as the private key) on the bitcoin testate 2. Created an issuer file and post it to [https://raw.githubusercontent.com/ppfish45/Blockcerts\_test/master/test.json](https://raw.githubusercontent.com/ppfish45/Blockcerts_test/master/test.json) 3. Batched two unsigned certificates with this issuer\_id above 4. Issue the two certificates by cert-issuer 5. Upload the signed certificates onto the [blockcerts.org](http://blockcerts.org) to see whether it can be verified The step 0, 1, 2, 3 just went smoothly. However, when verifying the signed certificates on the website, it said “Transaction occurred at time when issuing address was not considered valid”. I can’t figure out why it happens. Although there is a thread talking about this issue, I have not get any solution from it. My concerting is that - whether the website only accepts those certificates issued by the issuing address which is REGISTERED ON THE WEBSITE? Or is it caused by some other reasons that I ignored? I appreciate any of your help. Thanks!!! Owen ---
**Author:** ![ppfish45](https://avatars.discourse-cdn.com/v4/letter/p/ecc23a/32.png) [@ppfish45](https://community.blockcerts.org/u/ppfish45)\ **Post date:** [December 27, 2018, 4:04am UTC](https://community.blockcerts.org/t/resolved-transaction-occurred-at-time-when-issuing-address-was-not-considered-valid/1592/2 "2018-12-27T04:04:16Z")
After looking into the problem, I hope to ask that: 1. is the issuing address in cert-issuer exactly the same as the public key in cert-tools? 2. what does the “created time” in cert-tools refer to? Owen ---
**Author:** ![ppfish45](https://avatars.discourse-cdn.com/v4/letter/p/ecc23a/32.png) [@ppfish45](https://community.blockcerts.org/u/ppfish45)\ **Post date:** [December 27, 2018, 6:12pm UTC](https://community.blockcerts.org/t/resolved-transaction-occurred-at-time-when-issuing-address-was-not-considered-valid/1592/3 "2018-12-27T18:12:08Z")
Hi all, I finally find the source of this error. Please refer to [https://github.com/blockchain-certificates/cert-tools/pull/35](https://github.com/blockchain-certificates/cert-tools/pull/35) to see the details of the issue. My case is caused by the messing up of the timezone. Hope it helps if you have encountered the same issue. Best, Owen ---
**Author:** ![aronning](https://avatars.discourse-cdn.com/v4/letter/a/47e85d/32.png) [@aronning](https://community.blockcerts.org/u/aronning)\ **Post date:** [January 30, 2019, 5:10pm UTC](https://community.blockcerts.org/t/resolved-transaction-occurred-at-time-when-issuing-address-was-not-considered-valid/1592/4 "2019-01-30T17:10:59Z")
Thanks for reporting your resolution! Looks like that PR was merged in. Does that mean that by pulling down the latest version it fixed your issue? ---
**Author:** ![ppfish45](https://avatars.discourse-cdn.com/v4/letter/p/ecc23a/32.png) [@ppfish45](https://community.blockcerts.org/u/ppfish45)\ **Post date:** [January 31, 2019, 4:33am UTC](https://community.blockcerts.org/t/resolved-transaction-occurred-at-time-when-issuing-address-was-not-considered-valid/1592/5 "2019-01-31T04:33:34Z")
Yup, actually that PR is raised by myself 😁 However I think this error may still caused by many other reasons, while this PR is minor. ---
**Author:** ![dekts](https://avatars.discourse-cdn.com/v4/letter/d/977dab/32.png) [@dekts](https://community.blockcerts.org/u/dekts)\ **Post date:** [June 2, 2020, 8:00am UTC](https://community.blockcerts.org/t/resolved-transaction-occurred-at-time-when-issuing-address-was-not-considered-valid/1592/6 "2020-06-02T08:00:07Z")
Here I’m facing this issue. > **[2020-06-02\_1324](https://www.screencast.com/t/4kAYme5iR)** > > Shared from Screencast.com Please check above screenshot and let me know where I am doing the mistake. I need your help guys to resolve this issue. Thanks ---
**Author:** ![dekts](https://avatars.discourse-cdn.com/v4/letter/d/977dab/32.png) [@dekts](https://community.blockcerts.org/u/dekts)\ **Post date:** [June 8, 2020, 6:11am UTC](https://community.blockcerts.org/t/resolved-transaction-occurred-at-time-when-issuing-address-was-not-considered-valid/1592/7 "2020-06-08T06:11:51Z")
Fixed. Added required parameters in the issuer.json file which is my server.