{"source":"Careermash (whatcareer.net)","measurement":"Measured August 2026","licence":"CC BY 4.0","cite_as":"Careermash, Measured August 2026, https://www.whatcareer.net/en/yellow/career/other-cyber-security-professionals/ai","career":{"slug":"other-cyber-security-professionals","title":"Blockchain Developer","subject":"Computer Science","ai_exposure_pct_today":72,"ai_exposure_definition":"Share of the job's day-to-day tasks AI is already used for, from observed real-world usage by occupation (Anthropic labour market research, 2026). A measurement of now, not a prediction.","horizons":[{"horizon":"Now","ai_exposure_pct":72,"door_grade":"C - hard"},{"horizon":"5 yrs","ai_exposure_pct":90,"door_grade":"D - very hard"},{"horizon":"10 yrs","ai_exposure_pct":95,"door_grade":"E - extremely hard"},{"horizon":"20 yrs","ai_exposure_pct":95,"door_grade":"E - extremely hard"}],"door_grade_now":"C - hard","door_grade_20yr":"E - extremely hard","door_source":"OpenAI, \"The AI Jobs Transition Framework\" (Richmond 2026), CC BY 4.0","moat_classified":true,"moat":"none","moat_label":"NO MOAT","moat_line":"No physical, legal or personal barrier protects this work from software.","starting_pay":"£28,000 - £34,000"},"verdict_sentence":"AI is already used for 72% of the measured tasks of a Blockchain Developer, heading for 95% within 20 years. The door in is grade C today, grade E in 20 years. Moat: none - No physical, legal or personal barrier protects this work from software.","rank":{"careers_scored":1840,"less_exposed":1822,"same_score":17,"more_exposed":0},"neighbours":{"less_exposed":[{"slug":"ai-systems-architect","title":"AI Systems Architect","exposure":70},{"slug":"cloud-solutions-architect","title":"Cloud Solutions Architect","exposure":70},{"slug":"cryptographer","title":"Cryptographer","exposure":70}],"more_exposed":[]},"ledger":[{"date":"2026-08-29","note":"Moat lines rewritten to assert only what the engine classification means (hands-on / protected by law / people want a real person / no special protection). No scores changed."},{"date":"2026-08-19","note":"Correction: careers without a moat record stopped showing a confident \"NO MOAT\" claim and now show \"moat not yet classified\". Exposure scores were and remain real for every career."},{"date":"2026-08-16","note":"First public measurement: AI exposure per occupation from Anthropic 2026 observed-usage research; door grades and 20-year horizons from OpenAI \"The AI Jobs Transition Framework\" (Richmond 2026, CC BY 4.0)."}]}