{"success":true,"engine":"Black Belt Labs","metric_id":"M50040","name":"Smart Contract Activity Index","category":"onchain","classification":"classic","update_frequency":null,"inputs":["On-chain data"],"inputs_are":"types of input","lookback_windows":["5 DAY"],"lookback_basis":"windows found in the implementation (INTERVAL clauses)","formula":"Share (%) of Ethereum transactions that are contract calls on the latest complete day (BigQuery public Ethereum dataset).","formula_published":true,"definition_version":"v00001","definition_history":[{"version":"v00001","effective_from":"2026-07-15T03:45:40Z","change_note":"initial recorded definition"}],"methods":["progr"],"disclaimer":"Madjik metrics are informational market indicators computed by Black Belt Labs. They are not investment advice, an offer, or a recommendation to buy or sell any asset."}