Past Meetup

Off-Blockchain Scaling: Duplex Micropayment Channels - Dr. Christian Decker, ETH

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A Fast and Scalable Payment Network with Bitcoin Duplex Micropayment Channels

Bitcoin does not scale, because its synchronization mechanism, the blockchain, limits the maximum rate of transactions the network can process. However, using off-blockchain transactions it is possible to create long-lived channels over which an arbitrary number of transfers
can be processed locally between two users, without any burden to the Bitcoin network. These channels may form a network of payment service providers (PSPs). Payments can be routed between any two users in real time, without any confirmation delay. More information can be found in his paper:

Dr. Christian Decker is a researcher from the Distributed Computing Group at ETH Zurich.

He wrote various papers on Bitcoin, Bittorrent and other types of distributed networks (

Door opening: 18:30

Talk start: 18:45

Room sponsor: Lucas Betschart

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