{"address": "poa153WkTMvHoHgd3yknRJU5gERABk5KoaWaqQ4Ys7msNqyk", "type": "challenge", "txs": [{"id": "88bfa1194478eaeea7d237f1dc0103a019823712323895b6f430f030ac6daa3c", "type": "challenge", "from_addr": "poa153WkTMvHoHgd3yknRJU5gERABk5KoaWaqQ4Ys7msNqyk", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 8, "ts": 1792583855, "atts": 11, "k": 5, "final": 1, "first_seen": 1792583892, "last_seen": 1792704723, "source": "explorer/txs"}, {"id": "5c73a9215d4d720ddbef7ef2df9fafc456c76cb28a6ba79c95ac2f630962630a", "type": "challenge", "from_addr": "poa153WkTMvHoHgd3yknRJU5gERABk5KoaWaqQ4Ys7msNqyk", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 6, "ts": 1792545565, "atts": 13, "k": 5, "final": 1, "first_seen": 1792545819, "last_seen": 1792704723, "source": "explorer/txs"}, {"id": "e75dd29832ecbbd9e7bc06c41c284468328ca1b2e3a4b3ccac156d8a8e3adae8", "type": "challenge", "from_addr": "poa153WkTMvHoHgd3yknRJU5gERABk5KoaWaqQ4Ys7msNqyk", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 5, "ts": 1792522603, "atts": 9, "k": 5, "final": 1, "first_seen": 1792523113, "last_seen": 1792529686, "source": "explorer/txs"}, {"id": "61382fc96023690d1a8191e53d79683c591bfa8cf306c864ebcc97c51fefb23c", "type": "challenge", "from_addr": "poa153WkTMvHoHgd3yknRJU5gERABk5KoaWaqQ4Ys7msNqyk", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 4, "ts": 1792497838, "atts": 11, "k": null, "final": 1, "first_seen": 1792529739, "last_seen": 1792695993, "source": "explorer/tx"}, {"id": "5a36bf80485ddac36739d4f9c41cc69fcc08399a6b74942fec5b8026adb03578", "type": "challenge", "from_addr": "poa153WkTMvHoHgd3yknRJU5gERABk5KoaWaqQ4Ys7msNqyk", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 3, "ts": 1792473455, "atts": 12, "k": null, "final": 1, "first_seen": 1792534889, "last_seen": 1792534889, "source": "explorer/tx"}, {"id": "08fd753b1fa71c419d5c0e0cd13694e89e5f7a1d5c98a17702808f54386b6fbc", "type": "challenge", "from_addr": "poa153WkTMvHoHgd3yknRJU5gERABk5KoaWaqQ4Ys7msNqyk", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 2, "ts": 1792458007, "atts": 9, "k": null, "final": 1, "first_seen": 1792535997, "last_seen": 1792535997, "source": "explorer/tx"}, {"id": "f9a9dc0369f107ca23d2c8d22c6d6e46c801b4cd49ebbb8af747631269913fcf", "type": "challenge", "from_addr": "poa153WkTMvHoHgd3yknRJU5gERABk5KoaWaqQ4Ys7msNqyk", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 1, "ts": 1792435622, "atts": 10, "k": null, "final": 1, "first_seen": 1792528132, "last_seen": 1792528132, "source": "explorer/tx"}], "next_cursor": null, "types": {"grade-sealed": 338, "challenge": 7}, "coverage": {"archive_start_ts": 1792429361, "indexed": 345, "indexed_sent": 345, "first_ts": 1792435622, "last_ts": 1792583855, "highest_nonce": 345, "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": "1.26.4", "network": "poa-mainnet-1", "source_height": 34097, "checkpoint": 33463, "epoch": 10, "node_as_of": "2026-10-22T22:16:28.079Z", "fetched_at": "2026-10-22T22:17:40Z", "stale": false, "stale_after_s": 300, "node_stale": false, "node_stale_age_s": null, "checkpoint_age_s": 2631, "blocks_since_checkpoint": 634, "maintenance": {"active": false, "cleared_by": "checkpoint_moved", "post_id": 1357, "post_url": "https://minepoa.com/lableak/#/post/1357", "join_open": true, "join_state": "open", "last_join_at": "2026-10-21T21:17:18Z", "join_source": "tracker", "hosted_mining": "paused", "started_at": "2026-10-21T19:00:51Z", "expected_window_h": [24, 72], "paused": ["hosted_mining", "grading"], "working": ["onboarding", "self_custody_mining", "epoch_closes", "reward_payouts", "balances", "explorer"], "self_custody": "POST /api/submit plus /api/receipt keep working", "pending_ttl_epochs": 16, "parked_checkpoint": 24371, "checkpoint": 33463, "auto_clear": "checkpoint height above parked_checkpoint", "halted_list_public": false, "url": "https://poascan.io/upgrade", "surfaces": {"Answers": "planned", "Grading": "planned", "Challenges": "paused", "Agent profile": "paused", "Hosted mining": "paused", "Joining": "planned", "Assignments": "paused", "Path actions": "paused", "MCP mining tools": "paused"}, "surfaces_source": "probe+tracker", "surfaces_as_of": "2026-10-22T22:14:09Z", "stays_live": ["Self-custody mining", "Explorer", "Swap reads", "Status"]}, "generated_at": "2026-10-22T22:18:34Z"}}