init
This commit is contained in:
Björn Adelberg
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<!-- https://mermaid-js.github.io/mermaid-live-editor/ -->
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<!-- fg=green,bg=black -->
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# Bitcoin Lightning
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Schnell, preiswert, dezentral, anonym?
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https://lightning.network/
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---
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<!-- fg=green,bg=black -->
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## Einführung
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* Welches Problem soll das Bitoin Lightning lösen?
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* Die Grundlegende Idee dahinter
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* Ein historischer Rückblick
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* Wo steht Bitcoin Lightning heute?
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---
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<!-- fg=green,bg=black -->
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### Welches Problem soll Bitcoin Lightning lösen?
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* die Sicherheit des Bitcoin-Netzwerkes bringt Nachteile bei der Zahlungsabwicklung
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* Anzahl der Zahlungen pro Sekunde zu gering
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* Gebühr bei kleinen Beträgen zu hoch
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* einzelne Zahlung nicht sofort abgeschlossen
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---
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<!-- fg=green,bg=black -->
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### Die Idee dahinter - Kanal
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* zwei Nutzer erzeugen einen Kanal und legen jeweils einen Betrag an eines der Enden das Kanales
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* wenn der Kanal geöffnet ist, können Beträge von der einen Seite zur anderen Seite transferiert werden
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* wird der Kanal geschlossen, bekommen die Nutzer den Betrag ihrer Seite des Kanals gut geschrieben
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<!-- graph TD
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A(Alice - 10sat) --- |Channel| B(Bob - 5sat) -->
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---
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<!-- fg=green,bg=black -->
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### Die Idee dahinter - Routen
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* Zahlungen können gegen eine Gebühr geroutet werden
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<!-- graph LR
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A(Alice - 10sat) --- |Channel| B(Bob - 5sat) --- |Channel| C(Kim - 4sat) -->
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---
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<!-- fg=green,bg=black -->
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### Historischer Rückblick
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* die grundlegende Idee geht auf Satoshi Nakamoto zurück
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* mit der vermehrten Nutzung von Bitcoin wurde das Problem der Skalierbarkeit drängender
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* ab 2016 entstanden erste Implementierungen (lnd, c-lightning, eclair)
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* zur Umsetzung brauchte man das Segregated-Witness-Update (2017)
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* Rusty Russel entwickelte auf Grundlage des Whitepapers einen RFC-Standard für das Lightning Netzwerk
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---
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<!-- fg=green,bg=black -->
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### Wo steht Bitcoin Lightning heute?
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* über 16000 öffentliche Knoten - https://explorer.acinq.co
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* Beta-Status
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* sehr aktive Community
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* im produktiven Einsatz in El Salvador
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---
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<!-- fg=green,bg=black -->
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## Aufbau
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* wie funktioniert es?
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* Pfade
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* Pickardt Payments
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---
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<!-- fg=green,bg=black -->
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## Verwendung
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* lntxbot
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* Bluewallet
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* Phoenix
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* RaspiBlitz
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* Casanode
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---
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<!-- fg=green,bg=black -->
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## Diskussion
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* dezentralität
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* sicherheit
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* Entwicklungsstand
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---
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<!-- fg=green,bg=black -->
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## Links
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* Lightning White Paper
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