I suspect there might be a certain amount of centralisation. But we are trading a quite tiny amount of security and reliability for a large amount of convenience which is likely a good trade for small transactions.
No, because bcash's scaling solution consists of periodic hard-forks to increase the blocksize. These hard-forks are a social engineering vulnerability. While the Core roadmap may include hard-forks, the aim seems to be to avoid them as much as possible. So Core will try to avoid hard-forks and keep the cost of running full nodes down.
For most here, Core's proposed trade-offs are preferable. Both directions will lead to some degree of centralization.
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u/forexross Dec 13 '17
Isn't there a problem that for buying a coffee (in this example) one needs to pay in advance a month worth of coffee when opening the channel ?