Technical

Topic	Replies	Views	Activity
FAQ - technical issues AttributeError: ‘CertificateBatchHandler’ object has no attribute ‘certificates_to_issue’ Solution: Error: with cert_issuer -c conf.ini(AttributeError: ‘CertificateBatchHandler’ object has no attribute 'certificates_t…	2	1075	July 11, 2022
About the Technical category	0	1373	March 22, 2017
How to generate Verifiable Presentation with cert-issuer?	8	32	December 2, 2024
Blockcerts wallet on Android does not add v3 certificates	6	50	October 21, 2024
Adding additional fields (cert-tools)	2	862	August 9, 2024
Create Certificate Template	4	303	June 24, 2024
Error: SignedTransaction object has no attribute 'rawTransaction'	0	852	June 20, 2024
Failed JSON-LD normalization	9	432	March 7, 2024
displayHTML- "some html code":SOLVED	6	1294	February 23, 2024
Docker build -t bc/cert-issuer:1.0 setup	0	155	February 23, 2024
Help Needed with Blockcerts Universal Verifier for Japan Open Chain	3	319	January 8, 2024
Avoiding malicious transactions to be added in blockchain	4	2546	October 8, 2023
Chain property of the resulting Json when verifying the certificate is not formatted	0	341	July 28, 2023
Is this GDPR compliant?	1	354	July 13, 2023
How to ensure the legitimacy of did	2	392	July 10, 2023
Getting an error when i try to instantiate_certificate_batch.py in cert_tools repo	1	349	July 5, 2023
Is recipient wallet necessary?	4	353	May 31, 2023
Mexican State University wants to issue Digital Credential in their language accreditations	0	374	May 12, 2023
About the verification process	2	531	February 14, 2023
Introducing Smart Contracts to BlockCerts	1	2855	January 21, 2023
What is sign_certificate method	2	417	January 3, 2023
Error generating test.json file . cert-tools :: the following arguments are required: --issuer_id	9	1019	January 3, 2023
ReferenceError: self is not defined	4	7358	November 2, 2022
Facing error in "bitcoin-cli -generate 101"	0	402	October 30, 2022
Found unmapped fields during JSON-LD normalization	4	1635	October 26, 2022
Why is this not a valid Blockcerts credential?	1	515	October 26, 2022
[V3] Errors with cert-issuer on Docker	2	609	October 19, 2022
[ethereum_ropsten] ModuleNotFoundError: No module named 'rlp'	4	1176	October 17, 2022
Error with cert-verifier	2	527	July 13, 2022
Error: Issue the certificates on the blockchain	1	1062	July 11, 2022

FAQ - technical issues

AttributeError: ‘CertificateBatchHandler’ object has no attribute ‘certificates_to_issue’ Solution: Error: with cert_issuer -c conf.ini(AttributeError: ‘CertificateBatchHandler’ object has no attribute 'certificates_t…