Blockcerts Forum

Topic	Replies	Views	Activity
FAQ - technical issues Technical 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	1076	July 11, 2022
Welcome to the Blockcerts community	1	7134	March 10, 2017
Not able to host certificate on eth testnet(sepolia) due to insufficient balance despite having balance 10x more than required Technical	0	1	December 30, 2024
Issue with Certificate Upload - "Invalid Credential" Error	7	32	December 19, 2024
How to generate Verifiable Presentation with cert-issuer? Technical	8	34	December 2, 2024
Blockcerts wallet on Android does not add v3 certificates Technical	6	52	October 21, 2024
How to add custom additional fields - BlockcertValidationError Support	9	2465	October 14, 2024
Best Practices for Implementing Blockcerts in Corporate Training Programs Community	1	38	August 13, 2024
I want help on how to set up educational certification blocks Support	1	72	August 13, 2024
Does Blockcerts supports Off-Chain storage solution?	0	11	August 9, 2024
Adding additional fields (cert-tools) Technical	2	862	August 9, 2024
Cost analysis for universities of implementing a proof of certification system on blockchains Community	10	3019	July 13, 2024
Could Someone Help me Research the use of Blockcerts for Secure Academic Qualification Confirmation? Community	2	80	July 13, 2024
Blockcerts Ethereum connection Community	2	599	July 13, 2024
The difficulty of providing Blockcerts Issuance to a university Community	7	1409	July 13, 2024
AI Assistance for University Deployment? Support	1	296	June 26, 2024
Create Certificate Template Technical	4	305	June 24, 2024
USB access problem on a server Support	1	254	June 23, 2024
Error: SignedTransaction object has no attribute 'rawTransaction' Technical	0	889	June 20, 2024
Blockcerts V3 release Standards	9	2075	June 5, 2024
Service Endpoint for BlockCerts in W3C DID Document	1	90	June 3, 2024
I have a 24-word seed and I'm trying to restore, but the app says it's invalid Support	12	449	April 25, 2024
Failed JSON-LD normalization Technical	9	433	March 7, 2024
displayHTML- "some html code":SOLVED Technical	6	1294	February 23, 2024
Docker build -t bc/cert-issuer:1.0 setup Technical	0	155	February 23, 2024
Error: XMLHttpRequest is not a constructor Support	2	257	February 2, 2024
Cert-tools V3 credential	6	659	January 23, 2024
Is Blockchain Technology Safe for Issuing Digital Certificates and Badges	1	371	January 17, 2024
Help Needed with Blockcerts Universal Verifier for Japan Open Chain Technical	3	320	January 8, 2024
[Identity verification]Why derive and compare issuing address with transaction? Support	1	2579	January 8, 2024

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…