{"id": "urn:uuid:56b2f2e3-f3c6-4861-bf9e-63be40646e38", "type": ["VerifiableCredential", "OpenBadgeCredential"], "proof": {"type": "Ed25519Signature2020", "created": "2026-05-08T18:28:18Z", "proofValue": "z4w9TsFZj3MXVmeNWK87hCMndsXjimHWAtAUqMVqMXsTMW6AJxzksjr6YadNTZ5zJLofv6PAMnkNFmGiLtBFJCYYS", "proofPurpose": "assertionMethod", "verificationMethod": "did:key:z6MkfwJEckNVbaLwbCETHMYkpfb7g2Nnvqn78ASyrYJfqvow#z6MkfwJEckNVbaLwbCETHMYkpfb7g2Nnvqn78ASyrYJfqvow"}, "issuer": {"id": "did:key:z6MkfwJEckNVbaLwbCETHMYkpfb7g2Nnvqn78ASyrYJfqvow", "name": "MIT Learn", "type": ["Profile"], "image": {"id": "https://learn.mit.edu/images/mit-red.png", "type": "Image", "caption": "MIT Learn logo"}}, "@context": ["https://www.w3.org/ns/credentials/v2", "https://purl.imsglobal.org/spec/ob/v3p0/context-3.0.3.json", "https://w3id.org/security/suites/ed25519-2020/v1"], "validFrom": "2026-05-08T18:28:11Z", "credentialSubject": {"type": ["AchievementSubject"], "identifier": [{"salt": "not-used", "type": "IdentityObject", "hashed": false, "identityHash": "SAHEED OLAMILEKAN AYORINDE ", "identityType": "name"}], "achievement": {"id": "https://learn.mit.edu/courses/course-v1:UAI_SOURCE+UAI.11", "name": "Large Language Models", "type": ["Achievement"], "criteria": {"narrative": "- Explain the foundations\u00a0of LLMs, including tokenization, autoregressive text generation, and the role of scaling in performance\r\n- Understand the architecture of transformers, particularly attention mechanisms and their ability to model long-range dependencies\r\n- Describe the paradigm shift\u00a0in AI practice from training models from scratch to prompting pre-trained LLMs\r\n- Apply prompting strategies\u2014such as zero-shot, few-shot, and chain-of-thought\u2014to guide model behavior and improve reasoning\r\n- Recognize the strengths and limitations of LLMs, including their emergent abilities, biases, and tendency to hallucinate\r\n- Evaluate practical and ethical challenges in deploying LLMs, including cost, efficiency, alignment, and responsible use"}, "description": "SAHEED OLAMILEKAN AYORINDE  has successfully completed all modules and earned a Course Certificate in Large Language Models.", "achievementType": "Course"}, "activityEndDate": "2026-05-08T18:28:11Z", "activityStartDate": "2026-05-08T16:12:10Z"}}