{"address": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "type": "challenge", "txs": [{"id": "30c0f791376ae3fb170422eea1e4abc2b76ad82cc061a20073fde25fe1d05a96", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 25, "ts": 1793408100, "atts": 8, "k": 5, "final": 1, "first_seen": 1793408168, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "78e7503e4ecb6b1f3ecb8a3a651866b7e51a6f9fe8c15150debbec028402d23e", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 24, "ts": 1793384108, "atts": 8, "k": 5, "final": 1, "first_seen": 1793384221, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "5ad9a11c2db4b468d949491dc5d752855596340578cfa2234d018513f6c3cfa8", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 23, "ts": 1793360304, "atts": 8, "k": 5, "final": 1, "first_seen": 1793360359, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "087c4419e11fcb121fdd3c5c9b99b1b91a46b8b37af23efb0ac6709507bcf2b1", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 22, "ts": 1793338213, "atts": 9, "k": 5, "final": 1, "first_seen": 1793338268, "last_seen": 1793449398, "source": "txs-window", "segment": 2, "carried_over": null}, {"id": "121b9ef6126afe19a4bcab92e375f9c58d4f071c6c851896bd8ecfbf586e74a4", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 21, "ts": 1793316840, "atts": 9, "k": 5, "final": 1, "first_seen": 1793316863, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "f01295fe9a0bea448bc51de0f315da42ac1b6a19aef1d28f171a2a26cfb120e1", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 20, "ts": 1793294092, "atts": 9, "k": 5, "final": 1, "first_seen": 1793294128, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "df144dfd3a293f7b776c795d4b82051feae370a0d53ac6e4528ee45799d265ec", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 19, "ts": 1793272513, "atts": 8, "k": 5, "final": 1, "first_seen": 1793272615, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "c1e526a415e6dfa9606033379d4fc87dd685c4e05610dfd06369eca71be35fcb", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 18, "ts": 1793264909, "atts": 8, "k": 5, "final": 1, "first_seen": 1793264922, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "cc44ea44b08da20b886b35967d988bea93d978031b5a3654ba72e4912674a65c", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 15, "ts": 1793183803, "atts": 8, "k": 5, "final": 1, "first_seen": 1793184229, "last_seen": 1793449398, "source": "txs-window", "segment": 2, "carried_over": null}, {"id": "ccdf3b2be3f184dffcbf1b820374fda7e90a5c497c13faaedc5f0b7aa7e46b3c", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 13, "ts": 1793141015, "atts": 8, "k": 5, "final": 1, "first_seen": 1793141053, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "470df2cb0f60a5d400e4ddb7187613c5da2cba49da6f450eab6bfdddfb197385", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 12, "ts": 1793122984, "atts": 8, "k": 5, "final": 1, "first_seen": 1793123100, "last_seen": 1793449398, "source": "txs-window", "segment": 2, "carried_over": null}, {"id": "4e5cf961ad51cc7e8c5c4a4ced5f8f41319356f521135b19cd88dee7172a8277", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 11, "ts": 1793097573, "atts": 10, "k": null, "final": 1, "first_seen": 1793097601, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "e3a8ab24ece116dd25ac30a5cdc089137ae9372ab81e2211866cae96d7f790b1", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 10, "ts": 1793075709, "atts": 9, "k": null, "final": 1, "first_seen": 1793075779, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "e2dd976f7d8856913de8a23af6c13e33432f35dd813e39358784481c247b02e1", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 9, "ts": 1793052428, "atts": 9, "k": 5, "final": 1, "first_seen": 1793052769, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "02227a6049f3832eafe79da862125b2247064133376dc5d774e39765065c0e53", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 8, "ts": 1793030791, "atts": 9, "k": 5, "final": 1, "first_seen": 1793030823, "last_seen": 1793449398, "source": "explorer/address", "segment": 2, "carried_over": null}, {"id": "9d2f1e9a5305b5276c3fa9ad3f1553d534f7192a97beeba72d9302ab60cf160b", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 7, "ts": 1793009181, "atts": 8, "k": 5, "final": 1, "first_seen": 1793009307, "last_seen": 1793449398, "source": "txs-window", "segment": 2, "carried_over": null}, {"id": "77c5891bf25cf5b9ea747affacffc6ea6c80d245a3d721135297fc22e0ad0d1e", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 6, "ts": 1792987438, "atts": 11, "k": 5, "final": 1, "first_seen": 1792987470, "last_seen": 1793449398, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "736ef993bcd54a6b1edb9966395abafb7baba31dea97c0ecf30e540e5565af65", "type": "challenge", "from_addr": "poa1B2VL3CNasb8MCdP3KDf1fSK4mEenQPa9ZDNJTZkqLVWv", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 5, "ts": 1792969301, "atts": 10, "k": 5, "final": 1, "first_seen": 1792969409, "last_seen": 1793449398, "source": "explorer/address", "segment": 2, "carried_over": null}], "next_cursor": null, "types": {"challenge": 18, "join": 1}, "coverage": {"archive_start_ts": 1792429361, "indexed": 19, "indexed_sent": 19, "first_ts": 1792969281, "last_ts": 1793408100, "segment": 2, "highest_nonce": 19, "nonce_gap": 0, "complete": null, "by_segment": [{"segment": 2, "label": "Segment 2", "archived": false, "indexed_sent": 19, "first_ts": 1792969281, "last_ts": 1793408100, "highest_nonce": 19, "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": "1.26.246", "network": "poa-mainnet-1", "source_height": 159061, "checkpoint": 157669, "epoch": 27, "node_as_of": "2026-10-31T13:24:44.022Z", "fetched_at": "2026-10-31T13:24:44Z", "stale": false, "stale_after_s": 300, "node_stale": false, "node_stale_age_s": null, "checkpoint_age_s": 634, "blocks_since_checkpoint": 1392, "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": "halted", "last_join_at": "2026-10-31T12:24:26Z", "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": 157669, "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 Tx lookup and Joining halted.", "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": "2026-10-31T13:18:20Z", "since": "2026-10-31T00:39:57Z", "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": "2026-10-31T13:18:20Z", "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": 157669, "previous_checkpoint": 44003, "state_root": "a57d5e4559bda8f09e61513a2bb9a360deeb72b6f1db23d2770b6d5e306ee166", "supply": "3250311357.924455", "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": "2026-10-31T13:24:44.022Z", "status_age_s": 17, "status_fresh": true, "status_stale_flag": false, "txs": 1031, "final": 641, "epochs_closed": 27, "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": 60038, "sealers_since_notice": 118, "last_seal_at": "2026-10-31T13:24:22Z", "seals_recent": 24, "recent_window_s": 1800, "min_seals": 2, "feed_fresh": true}, "route_halts": {"as_of": "2026-10-31T13:24:29Z", "halted": [{"id": "tx_lookup", "label": "Tx lookup", "state": "halted", "since": "2026-10-31T04:44:28Z", "stale": false}, {"id": "joining", "label": "Joining", "state": "halted", "since": "2026-10-30T12:37:38Z", "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": "probe+tracker", "surfaces_as_of": "2026-10-31T13:21:47Z", "stays_live": ["Self-custody mining", "Explorer", "Swap reads", "Status"]}, "upstream_notice": null, "generated_at": "2026-10-31T13:25:15Z"}}