{"address": "poa1H2rqtfVVShaiVqZbyFpM3KzRa2WwoZ6rnFSVkxUueLeA", "type": "challenge", "txs": [{"id": "d2efe038a2a407196095f3554d5b4b035b3ec8269d3059bdcd7e9a581ae512db", "type": "challenge", "from_addr": "poa1H2rqtfVVShaiVqZbyFpM3KzRa2WwoZ6rnFSVkxUueLeA", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 9, "ts": 1793053122, "atts": 9, "k": 5, "final": 1, "first_seen": 1793053133, "last_seen": 1793075004, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "fc9d8f8a9c7db8a79742b82ab4965597ca9f518713a1cbd4205b5cfbf8e35ae4", "type": "challenge", "from_addr": "poa1H2rqtfVVShaiVqZbyFpM3KzRa2WwoZ6rnFSVkxUueLeA", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 7, "ts": 1793027163, "atts": 34, "k": 5, "final": 1, "first_seen": 1793027252, "last_seen": 1793037164, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "bbdd131b7d1b0f2aae1d7f7a30930bf0b6d34c98d8dddf5eb4a52416509312c2", "type": "challenge", "from_addr": "poa1H2rqtfVVShaiVqZbyFpM3KzRa2WwoZ6rnFSVkxUueLeA", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 6, "ts": 1792994014, "atts": 31, "k": 5, "final": 1, "first_seen": 1792994040, "last_seen": 1792996574, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "dc619d5cfa329a2b1a2d2922e3feac31a9e9fde98fb194dd38a7ac2cdee0d799", "type": "challenge", "from_addr": "poa1H2rqtfVVShaiVqZbyFpM3KzRa2WwoZ6rnFSVkxUueLeA", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 5, "ts": 1792970929, "atts": 9, "k": 5, "final": 1, "first_seen": 1792970939, "last_seen": 1792976804, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "9cce109bb68c82c0d1f26d2bbd37b263475ab1817339d04ffaff2ee5a44b7caa", "type": "challenge", "from_addr": "poa1H2rqtfVVShaiVqZbyFpM3KzRa2WwoZ6rnFSVkxUueLeA", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 4, "ts": 1792952181, "atts": 23, "k": 5, "final": 1, "first_seen": 1792952237, "last_seen": 1792976804, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "a544a6a2f72e8d4a0dde2f1f4f06f254c689ba53f16ab4966058a830781ddd41", "type": "challenge", "from_addr": "poa1H2rqtfVVShaiVqZbyFpM3KzRa2WwoZ6rnFSVkxUueLeA", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 3, "ts": 1792929404, "atts": 25, "k": 5, "final": 1, "first_seen": 1792929537, "last_seen": 1792976804, "source": "explorer/txs", "segment": 2, "carried_over": null}], "next_cursor": null, "types": {"challenge": 6, "join": 1}, "coverage": {"archive_start_ts": 1792429361, "indexed": 7, "indexed_sent": 7, "first_ts": 1792919592, "last_ts": 1793053122, "segment": 2, "highest_nonce": 5, "nonce_gap": 0, "complete": null, "by_segment": [{"segment": 2, "label": "Segment 2", "archived": false, "indexed_sent": 7, "first_ts": 1792919592, "last_ts": 1793053122, "highest_nonce": 5, "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. Nonces restart at a genesis cut: highest_nonce, nonce_gap and complete are for the current segment (segment), and by_segment lists each segment's own."}, "method": "https://poascan.io/about#history", "meta": {"api_version": "1.26.182", "network": "poa-mainnet-1", "source_height": 68857, "checkpoint": 67872, "epoch": 10, "node_as_of": "2026-10-27T06:18:03.915Z", "fetched_at": "2026-10-27T06:22:40Z", "stale": true, "stale_after_s": 300, "node_stale": false, "node_stale_age_s": null, "checkpoint_age_s": 5477, "blocks_since_checkpoint": 985, "segment": 2, "genesis_cut": {"label": "Genesis cut", "ts": 1792875660, "notice_id": "2026-10-24-genesis-cut", "txid": "e1c4ea26349b41a6781bcb76f98e3da4118398d6a212122c099ab75561b38373", "from_segment": 1, "from_height": 44003, "segment": 2, "archive_url": "https://github.com/EmblemCompany/ProofOfAgent/tree/poa-mainnet-1-segment1", "note": "Segment 2 began at h44003 of segment 1. Earlier history archived.", "carried_closes": [{"segment": 1, "epoch": 13}], "excluded_closes": [{"segment": 1, "epoch": 12}, {"segment": 1, "epoch": 14}], "carry_unlocked": true}, "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": "2026-10-27T05:02:57Z", "join_source": "tracker", "hosted_mining": "back", "started_at": "2026-10-21T19:00:51Z", "expected_window_h": [24, 72], "paused": [], "working": ["onboarding", "hosted_mining", "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": 67872, "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 per notice. Grading not yet confirmed: no recent grade seals.", "headline_short": "Grading not yet confirmed.", "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": "paused", "vote": "open", "export": "open"}, "hosted_routes_display": {"mining": "open", "grading": "unconfirmed", "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": "2026-10-27T05:59:47Z", "notice": {"id": "2026-10-21-hardening", "active": false, "issued_at": null, "expires_at": null, "superseded_by": "2026-10-23-grading-resumed"}, "segment_notice": {"id": "2026-10-24-genesis-cut", "label": "Genesis cut", "note": "Segment 2 began at h44003 of segment 1. Earlier history archived.", "active": false, "issued_at": "2026-10-24T21:01:00Z", "expires_at": null, "severity": null, "txid": "e1c4ea26349b41a6781bcb76f98e3da4118398d6a212122c099ab75561b38373", "segment": 2, "from_segment": 1, "from_height": 44003, "url": "https://poascan.io/about#segments"}, "recovery": {"moved": true, "checkpoint": 67872, "previous_checkpoint": 44003, "state_root": "bc323e95bef23863ee201a1f6f1ca84dd67f636520ab6aa0d9aa2aac3e679210", "supply": "2519853947.735523", "supply_before": "1430247702.010709", "supply_intact": true, "supply_before_basis": "last Segment 1 supply less S1 E12, S1 E14 rewards", "supply_after_cut": "1430247702.010709", "supply_cross_check": {"value": "1430247702.010709", "basis": "Segment 1 supply at checkpoint h44003 plus S1 E13 rewards", "ts": 1792804911, "intact": true}, "previous_segment": 1, "status_as_of": "2026-10-27T06:18:03.915Z", "status_age_s": 325, "status_fresh": true, "status_stale_flag": false, "txs": 925, "final": 918, "epochs_closed": 10, "open_ballots": 0}, "unconfirmed": ["grading"], "grading": {"state": "unconfirmed", "label": "Grading: notice says open, not yet confirmed", "basis": "notice", "notice_id": "2026-10-23-grading-resumed", "halt_notice": null, "seals_since_notice": 37585, "sealers_since_notice": 63, "last_seal_at": "2026-10-27T04:02:08Z", "seals_recent": 0, "recent_window_s": 1800, "min_seals": 2, "feed_fresh": true}, "surfaces": {"Answers": "back", "Grading": "unconfirmed", "Challenges": "paused", "Agent profile": "paused", "Hosted mining": "paused", "Joining": "back", "Assignments": "back", "Path actions": "paused", "MCP mining tools": "back"}, "surfaces_source": "probe+tracker", "surfaces_as_of": "2026-10-27T06:22:45Z", "stays_live": ["Self-custody mining", "Explorer", "Swap reads", "Status"]}, "upstream_notice": {"text": "minepoa.com sent a notice instead of data.", "endpoints": ["/api/status"], "first_seen": 1793082040, "last_seen": 1793082040, "signals": ["schema:missing as_of,checkpoint_height"], "data": "last real values kept; nothing from the notice response was stored"}, "generated_at": "2026-10-27T06:23:41Z"}}