Individual block-height health for the testnet4 plane (bitcoind → electrs · rockshrew · espo · alspo · mempool · the public /v4 edge). Alkanes = v3.0.0-rc.2 canary, every rule live from block 0. Live-updated per new block.
bitcoind (testnet4)
156,798
getblockcount via the /v4 edge · 18ms
electrs (esplora)
156,798
GET /blocks/tip/height · 14ms
rockshrew (metashrew)
156,798
metashrew_height · 15ms
espo
156,798
GET /api/blocks/carousel .espo_tip · 14ms
/v4 edge (testnet4.subfrost.io)
156,798
metashrew_height · 19ms
testnet4-mempool
36
mempool_info · resident txs · 20ms
alspo-aio
156,798
metashrew_height · 19ms
alspo-btcusd
156,798
metashrew_height · 19ms
alspo-cbtcusd
156,798
metashrew_height · 18ms
alspo-cfire
156,798
metashrew_height · 18ms
alspo-subfrostamm
156,798
metashrew_height · 18ms
Individual testnet4 sources — no cross-indexer comparison (nothing to compare against). A WebSocket live stream ticks this page once per new block, whenever any source advances its height · generated 2026-10-17T05:48:01.013Z.