{"address": "poa19FWw6rFvsqrC4PTZ8xvqSLJBJmpX2VTyLP1oMdLGTxsB", "type": "challenge", "txs": [{"id": "0eed3c1d1560dfe804251b1c3e474423076f0f99ffad1f19b7c0ad5fd2a174d6", "type": "challenge", "from_addr": "poa19FWw6rFvsqrC4PTZ8xvqSLJBJmpX2VTyLP1oMdLGTxsB", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 6, "ts": 1792538141, "atts": 12, "k": 5, "final": 1, "first_seen": 1792538444, "last_seen": 1792692409, "source": "txs-window"}, {"id": "b2995fd4aa5f29f9b1f883a642a09baf3b16cd532cf5bd3ad6bdc464bd784aad", "type": "challenge", "from_addr": "poa19FWw6rFvsqrC4PTZ8xvqSLJBJmpX2VTyLP1oMdLGTxsB", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 5, "ts": 1792518184, "atts": 9, "k": 5, "final": 1, "first_seen": 1792523112, "last_seen": 1792529522, "source": "seed"}, {"id": "c7540e1f12108f5d299fb7715cadff57c39c5327c8b7d174f8cd524e7108933d", "type": "challenge", "from_addr": "poa19FWw6rFvsqrC4PTZ8xvqSLJBJmpX2VTyLP1oMdLGTxsB", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 4, "ts": 1792497568, "atts": 9, "k": null, "final": 1, "first_seen": 1792529731, "last_seen": 1792673427, "source": "explorer/tx"}], "next_cursor": null, "types": {"challenge": 3, "join": 1}, "coverage": {"archive_start_ts": 1792429361, "indexed": 4, "indexed_sent": 4, "first_ts": 1792493954, "last_ts": 1792538141, "highest_nonce": 4, "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": "1.22.0", "network": "poa-mainnet-1", "source_height": 34077, "checkpoint": 24371, "epoch": 10, "node_as_of": "2026-10-22T18:06:47.839Z", "fetched_at": "2026-10-22T18:11:08Z", "stale": true, "stale_after_s": 300, "node_stale": true, "node_stale_age_s": 261, "checkpoint_age_s": 166032, "blocks_since_checkpoint": 9706, "maintenance": {"active": true, "cleared_by": null, "post_id": 1357, "post_url": "https://minepoa.com/lableak/#/post/1357", "join_open": true, "join_state": "paused", "last_join_at": "2026-10-21T21:17:18Z", "join_source": "tracker", "hosted_mining": "planned", "started_at": "2026-10-21T19:00:51Z", "expected_window_h": [24, 72], "paused": ["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": 24371, "auto_clear": "checkpoint height above parked_checkpoint", "halted_list_public": false, "url": "https://poascan.io/upgrade", "surfaces": {"Answers": "planned", "Grading": "planned", "Challenges": "planned", "Agent profile": "planned", "Hosted mining": "planned", "Joining": "planned", "Assignments": "planned", "Path actions": "planned", "MCP mining tools": "paused"}, "surfaces_source": "tracker", "surfaces_as_of": "2026-10-22T18:11:01Z", "stays_live": ["Self-custody mining", "Explorer", "Swap reads", "Status"]}, "generated_at": "2026-10-22T18:11:49Z"}}