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	914	July 11, 2022
About the Technical category	0	1324	March 22, 2017
Failed JSON-LD normalization	9	263	March 7, 2024
displayHTML- "some html code":SOLVED	6	1139	February 23, 2024
Docker build -t bc/cert-issuer:1.0 setup	0	64	February 23, 2024
Help Needed with Blockcerts Universal Verifier for Japan Open Chain	3	188	January 8, 2024
Create Certificate Template	3	166	December 15, 2023
Avoiding malicious transactions to be added in blockchain	4	2452	October 8, 2023
Chain property of the resulting Json when verifying the certificate is not formatted	0	250	July 28, 2023
Is this GDPR compliant?	1	295	July 13, 2023
How to ensure the legitimacy of did	2	337	July 10, 2023
Getting an error when i try to instantiate_certificate_batch.py in cert_tools repo	1	276	July 5, 2023
Is recipient wallet necessary?	4	299	May 31, 2023
Mexican State University wants to issue Digital Credential in their language accreditations	0	328	May 12, 2023
About the verification process	2	470	February 14, 2023
Introducing Smart Contracts to BlockCerts	1	2736	January 21, 2023
What is sign_certificate method	2	360	January 3, 2023
Error generating test.json file . cert-tools :: the following arguments are required: --issuer_id	9	951	January 3, 2023
ReferenceError: self is not defined	4	5999	November 2, 2022
Facing error in "bitcoin-cli -generate 101"	0	322	October 30, 2022
Found unmapped fields during JSON-LD normalization	4	1524	October 26, 2022
Why is this not a valid Blockcerts credential?	1	450	October 26, 2022
[V3] Errors with cert-issuer on Docker	2	489	October 19, 2022
[ethereum_ropsten] ModuleNotFoundError: No module named 'rlp'	4	1093	October 17, 2022
Error with cert-verifier	2	482	July 13, 2022
Error: Issue the certificates on the blockchain	1	984	July 11, 2022
Error with cert issuer - ethereum	2	1230	November 14, 2018
Error: with cert_issuer -c conf.ini(AttributeError: ‘CertificateBatchHandler’ object has no attribute 'certificates_to_issue’)	2	582	June 15, 2022
Blockcerts issued on Ethereum network	2	691	June 15, 2022
ModuleNotFoundError: No module named 'ethereum'	1	1702	May 31, 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…