That's positive news, but still not enough to cheer the market back up. I don't want to sound negative but even when Lightening Network is fully implemented, it'll be too late for bitcoin to win all the investors who already moved to support new cryptos. New cryptos are implementing features that are missing from bitcoin such as anonymity and private transactions. Bitcoin is already outdated. I'm not saying that bitcoin will die. I'm sure bitcoin will stay forever however, it'll slow down gradually until another coin takes its place as the main crypto-currency.
I think this is an overestimation of how quickly people are willing to switch from one technology or investment to another. If LN fails to deliver or takes another 2-3 years for deployment, then we're likely to see a major shift in userbase. But not after 1 year of scaling issues after a track record of running flawlessly for 9 years. Additionally few people seem to care about true anonymity, that is assuming the current anonymity approaches are viable and solid in the first place.
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For example, can you conceive of a layer on top of bitcoin in which fully anonymous transactions were possible? There'd be a point of exit from the blockchain and a point of entry back to it, and that's all the info that would be available.
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Actually that's pretty much what LN is doing. LN transactions are only visible to the involved parties, the nodes inbetween know nothing about the transactions they route. I'm not sure whether LN can provide full anonymity but it definitely will improve privacy.