Many people these days are finally starting to realize the shortcomings and limitations of off-chain channels limited to two participants, i.e. the Lightning Network, and the necessity to start exploring designs for channels with more than two participants for this direction in scaling to work successfully in the long term. That necessitates accepting new trade-offs, namely that the price for solving some of Lightning’s existing problems by packing more than two people into a shared control arrangement for a UTXO is the creation of a whole new class of problems.
The biggest problem introduced in making the move from two parties to more than two parties is the interactivity requirement. If you have 10 people in a single channel sharing control of one UTXO, you need all 10 parties online at the same time in order to update the state of that base channel. This presents a much worse coordination problem than the current implementation of Lightning channels where only two people need to be
We współpracy z: https://bitcoinmagazine.com/technical/op-checkseparatesig-and-actuaries-fixing-multiparty-channel-factories
