Mit dem Genesis Block Nr. 0 ist die Bitcoin Blockchain am 3.1.2009 gestartet. Ca. alle 10 Minuten kommt ein neuer Block.
Jetzt sind wir gerade bei Block Nr. 683973: …
Wer die letzte Blocknummer im NodeRed Dashboard haben will, wie hier gezeigt:
Kann diesen Flow verwenden, der den REST Service von mempool.space abfragt:
Hier der JavaScript Code für den Import:
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