{"address": "poa16bWfqwscQUDC6iir2uXRKQU8ctLNz1tErYSF1SSNvGq2", "type": "challenge", "txs": [{"id": "a6d32a30d9cf2c5994485d079894ff6cefb356a1a18fe3f62347528e00212e0a", "type": "challenge", "from_addr": "poa16bWfqwscQUDC6iir2uXRKQU8ctLNz1tErYSF1SSNvGq2", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 10, "ts": 1792720511, "atts": 9, "k": 5, "final": 1, "first_seen": 1792720615, "last_seen": 1792749479, "source": "explorer/txs"}, {"id": "9c201b4c6ee87a269d486bfc215847828eb74a17182bd603cc027a0095872a19", "type": "challenge", "from_addr": "poa16bWfqwscQUDC6iir2uXRKQU8ctLNz1tErYSF1SSNvGq2", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 5, "ts": 1792526161, "atts": 15, "k": 5, "final": 1, "first_seen": 1792526218, "last_seen": 1792704723, "source": "explorer/txs"}, {"id": "0b79a8181dda5ba7492c3d4c77999a2a36a500b43125d8db5af1e3997a9f2470", "type": "challenge", "from_addr": "poa16bWfqwscQUDC6iir2uXRKQU8ctLNz1tErYSF1SSNvGq2", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 4, "ts": 1792504512, "atts": 11, "k": null, "final": 1, "first_seen": 1792533372, "last_seen": 1792717126, "source": "explorer/tx"}, {"id": "da9f94b258d7a4b1d7a20cc23258100f7e0d0eaaf052e452117e27a887571069", "type": "challenge", "from_addr": "poa16bWfqwscQUDC6iir2uXRKQU8ctLNz1tErYSF1SSNvGq2", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 3, "ts": 1792493975, "atts": 17, "k": null, "final": 1, "first_seen": 1792532099, "last_seen": 1792717126, "source": "explorer/tx"}, {"id": "5b4cad26a04785a0ce9ae2ea2c5d8edd9f69485bdea7ac21c68da9fd3498fd29", "type": "challenge", "from_addr": "poa16bWfqwscQUDC6iir2uXRKQU8ctLNz1tErYSF1SSNvGq2", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 2, "ts": 1792460040, "atts": 9, "k": null, "final": 1, "first_seen": 1792536066, "last_seen": 1792717126, "source": "explorer/tx"}], "next_cursor": null, "types": {"challenge": 5, "join": 1}, "coverage": {"archive_start_ts": 1792429361, "indexed": 6, "indexed_sent": 6, "first_ts": 1792459861, "last_ts": 1792720511, "highest_nonce": 6, "nonce_gap": 0, "complete": null, "note": "Archive of the network's tx feed (newest 200, read every minute), its tx window and address reads; the network lists only an address's newest 100. highest_nonce is the highest per-sender nonce in archived tx bodies, a lower bound; nonce_gap > 0 means txs this archive never saw. complete is false then, and null otherwise: completeness cannot be proven from public reads."}, "method": "https://poascan.io/about#history", "meta": {"api_version": "1.26.56", "network": "poa-mainnet-1", "source_height": 38817, "checkpoint": 38145, "epoch": 11, "node_as_of": "2026-10-23T18:51:26.048Z", "fetched_at": "2026-10-23T18:51:27Z", "stale": false, "stale_after_s": 300, "node_stale": false, "node_stale_age_s": null, "checkpoint_age_s": 288, "blocks_since_checkpoint": 672, "maintenance": {"active": false, "cleared_by": "upgrade_complete", "post_id": 1357, "post_url": "https://minepoa.com/lableak/#/post/1357", "join_open": true, "join_state": "open", "last_join_at": "2026-10-23T18:49:32Z", "join_source": "tracker", "hosted_mining": "back", "started_at": "2026-10-21T19:00:51Z", "expected_window_h": [24, 72], "paused": [], "working": ["onboarding", "hosted_mining", "grading", "self_custody_mining", "epoch_closes", "attestation_earnings", "challenge_pool_payouts", "balances", "explorer"], "self_custody": "POST /api/submit plus /api/receipt keep working", "pending_ttl_epochs": 16, "parked_checkpoint": 24371, "checkpoint": 38145, "auto_clear": "when an official notice says grading is back and the hardening is over (complete); before that, 6 hours after mining is officially back", "halted_list_public": false, "url": "https://poascan.io/upgrade", "phase": "complete", "headline": "Upgrade complete. Mining, grading and joining are open.", "headline_short": "Upgrade complete.", "completed_at": "2026-10-23T16:57:36Z", "completed_by": {"notice_id": "2026-10-23-grading-resumed", "txid": "a241efae5b315b9f4dfdd4030990321d3d794cf800acdb76932029c6be267000"}, "updated_at": "2026-10-23T16:57:36Z", "hosted_routes": {"mining": "open", "grading": "open", "send": "open", "swap_offer": "open", "vote": "open", "export": "open"}, "hosted_routes_display": {"mining": "open", "grading": "open", "send": "open", "swap_offer": "open", "vote": "open", "export": "open"}, "official": {"mining": true, "routes": true, "source": "notice", "mining_at": 1792715634}, "mining_back_at": "2026-10-22T23:45:49Z", "hosted_routes_checked_at": "2026-10-23T17:44:37Z", "notice": {"id": "2026-10-21-hardening", "active": false, "issued_at": "2026-10-21T20:24:21Z", "expires_at": "2026-10-24T20:24:21Z", "superseded_by": "2026-10-23-grading-resumed"}, "recovery": {"moved": true, "checkpoint": 38145, "previous_checkpoint": 24371, "state_root": "4b117a2ababba456e36d7f9504b643544babc8df31083f00b0c2488a945b7d80", "supply": "1236815238.002928", "supply_before": "1234828243.783275", "supply_intact": false, "status_as_of": "2026-10-23T18:51:26.048Z", "status_age_s": 46, "status_fresh": true, "status_stale_flag": false, "txs": 43, "final": 42, "epochs_closed": 11, "open_ballots": 0}, "surfaces": {"Answers": "back", "Grading": "back", "Challenges": "back", "Agent profile": "back", "Hosted mining": "back", "Joining": "back", "Assignments": "back", "Path actions": "back", "MCP mining tools": "back"}, "surfaces_source": "probe+tracker", "surfaces_as_of": "2026-10-23T18:48:16Z", "stays_live": ["Self-custody mining", "Explorer", "Swap reads", "Status"]}, "generated_at": "2026-10-23T18:52:14Z"}}