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"d238a02f208e97a57eab2c5b13f8720e1a4abe0b26939f2e76d12687391a5895", "type": "challenge", "from_addr": "poa1GjBk8Zsgp9SjoSRX3gk1j9nnn24VrzXKTRXQhGUrPijx", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 14, "ts": 1792837072, "atts": 8, "k": 5, "final": 1, "first_seen": 1792837171, "last_seen": 1792848394, "source": "explorer/txs", "segment": 1, "carried_over": false}, {"id": "18b14fa2823f6840e1aa2fe5c774a2f88a8b8ee7764d84b03d4129abc93d0de5", "type": "challenge", "from_addr": "poa1GjBk8Zsgp9SjoSRX3gk1j9nnn24VrzXKTRXQhGUrPijx", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 13, "ts": 1792813409, "atts": 9, "k": 5, "final": 1, "first_seen": 1792813474, "last_seen": 1792848394, "source": "explorer/txs", "segment": 1, "carried_over": false}, {"id": "0b46031916437c0dcb12fbd5c4a8b3ac26e6dbe76f44314fd317d5f67d160fa9", "type": "challenge", "from_addr": "poa1GjBk8Zsgp9SjoSRX3gk1j9nnn24VrzXKTRXQhGUrPijx", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 12, "ts": 1792811196, "atts": 10, "k": 5, "final": 1, "first_seen": 1792811237, "last_seen": 1792848394, "source": "explorer/txs", "segment": 1, "carried_over": false}, {"id": "a7e0013c5c45eedb7823ecb044363ba45105cd7f1ca56decdba28e73d01364ad", "type": "join", "from_addr": "poa1GjBk8Zsgp9SjoSRX3gk1j9nnn24VrzXKTRXQhGUrPijx", "to_addr": null, "amount": null, "memo": "hosted join: SpectralSentinel_62", "invited_by": "poa169z9r55C33n8bhwUXJwTnMutdATCV8sVR7Lm2SMXXZBC", "epoch": null, "ts": 1792811016, "atts": 164, "k": 5, "final": 1, "first_seen": 1792811051, "last_seen": 1792848394, "source": "explorer/txs", "segment": 1, "carried_over": false}], "next_cursor": null, "types": {"challenge": 15, "join": 1}, "coverage": {"archive_start_ts": 1792429361, "indexed": 16, "indexed_sent": 16, "first_ts": 1792811016, "last_ts": 1793141194, "segment": 2, "highest_nonce": 4, "nonce_gap": 0, "complete": null, "by_segment": [{"segment": 2, "label": "Segment 2", "archived": false, "indexed_sent": 12, "first_ts": 1792876843, "last_ts": 1793141194, "highest_nonce": 4, "nonce_gap": 0, "complete": null}, {"segment": 1, "label": "Segment 1 (archived)", "archived": true, "indexed_sent": 4, "first_ts": 1792811016, "last_ts": 1792837072, "highest_nonce": null, "nonce_gap": null, "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": "1.26.193", "network": "poa-mainnet-1", "source_height": 80928, "checkpoint": 80410, "epoch": 13, "node_as_of": "2026-10-28T00:51:43.175Z", "fetched_at": "2026-10-28T00:54:22Z", "stale": false, "stale_after_s": 300, "node_stale": false, "node_stale_age_s": null, "checkpoint_age_s": 367, "blocks_since_checkpoint": 518, "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": "2026-10-28T00:54:14Z", "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": 80410, "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": "Probes show Assignments and Tx lookup halted or down. The upgrade notice said all paths open.", "headline_short": "Routes halted.", "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"}, "swap_route": {"state": "open", "display": "open", "writable": true, "probe_state": "open", "http": 401, "checked_at": "2026-10-28T00:31:00Z", "since": "2026-10-28T00:10:25Z", "stale": false, "feed": "OK", "label": "Open", "basis": "write_check"}, "official": {"mining": true, "routes": true, "source": "notice", "mining_at": 1792715634}, "mining_back_at": "2026-10-22T23:45:49Z", "hosted_routes_checked_at": "2026-10-28T00:31:00Z", "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": 80410, "previous_checkpoint": 44003, "state_root": "54e1282e09d64f529e6d8f27a9f7bd9d099644c03b183e8f5e8791f4bc004366", "supply": "2873671084.640127", "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": "2026-10-28T00:51:43.175Z", "status_age_s": 200, "status_fresh": true, "status_stale_flag": false, "txs": 341, "final": 289, "epochs_closed": 13, "open_ballots": 0}, "unconfirmed": [], "grading": {"state": "open", "label": "Grading open", "basis": "notice+seals", "notice_id": "2026-10-23-grading-resumed", "halt_notice": null, "seals_since_notice": 42398, "sealers_since_notice": 79, "last_seal_at": "2026-10-28T00:40:30Z", "seals_recent": 2, "recent_window_s": 1800, "min_seals": 2, "feed_fresh": true}, "route_halts": {"as_of": "2026-10-28T00:53:39Z", "halted": [{"id": "assignments", "label": "Assignments", "state": "down", "since": "2026-10-28T00:40:48Z", "stale": false}, {"id": "tx_lookup", "label": "Tx lookup", "state": "halted", "since": "2026-10-28T00:41:26Z", "stale": false}], "url": "https://poascan.io/api/v1/routes"}, "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": "tracker", "surfaces_as_of": "2026-10-28T00:49:52Z", "stays_live": ["Self-custody mining", "Explorer", "Swap reads", "Status"]}, "upstream_notice": null, "generated_at": "2026-10-28T00:55:07Z"}}