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	1115	July 11, 2022
Welcome to the Blockcerts community	1	7192	March 10, 2017
No se ha podido obtener el perfil del emisor	2	16	April 28, 2025
Apple App store link on https://wallet.blockcerts.org/ Technical	2	45	April 9, 2025
cert_issuer.errors.InsufficientFundsError: Please add 500000000000000 wei	5	591	April 9, 2025
How can I create my own Context? Technical	1	20	April 9, 2025
Issue with Certificate Upload - "Invalid Credential" Error	14	67	April 9, 2025
Error: SignedTransaction object has no attribute 'rawTransaction' Technical	1	1110	March 27, 2025
How to generate Verifiable Presentation with cert-issuer? Technical	9	61	February 28, 2025
Creating a verifiable certificate page for my students Technical	0	16	February 21, 2025
Why does blockcerts.org not working? Support	0	21	February 15, 2025
How to Securely Verify a Blockcert Credentials? Technical	2	23	January 21, 2025
Can I use email for credentialSubject.id in blockcerts v3? Technical	2	24	January 18, 2025
Am I understanding what really blockcert is about? Part 2 Community	1	36	January 6, 2025
Not able to host certificate on eth testnet(sepolia) due to insufficient balance despite having balance 10x more than required Technical	0	21	December 30, 2024
Blockcerts wallet on Android does not add v3 certificates Technical	6	72	October 21, 2024
How to add custom additional fields - BlockcertValidationError Support	9	2479	October 14, 2024
Best Practices for Implementing Blockcerts in Corporate Training Programs Community	1	51	August 13, 2024
I want help on how to set up educational certification blocks Support	1	88	August 13, 2024
Does Blockcerts supports Off-Chain storage solution?	0	18	August 9, 2024
Adding additional fields (cert-tools) Technical	2	880	August 9, 2024
Cost analysis for universities of implementing a proof of certification system on blockchains Community	10	3068	July 13, 2024
Could Someone Help me Research the use of Blockcerts for Secure Academic Qualification Confirmation? Community	2	99	July 13, 2024
Blockcerts Ethereum connection Community	2	614	July 13, 2024
The difficulty of providing Blockcerts Issuance to a university Community	7	1422	July 13, 2024
AI Assistance for University Deployment? Support	1	305	June 26, 2024
Create Certificate Template Technical	4	326	June 24, 2024
USB access problem on a server Support	1	257	June 23, 2024
Blockcerts V3 release Standards	9	2130	June 5, 2024
Service Endpoint for BlockCerts in W3C DID Document	1	99	June 3, 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…