so could be any javascript code introduced into a wallet using w3 I guess?
Ken Silverman

Yes, code could be added to provide state channels to any solution. Later articles cover more implementation details.

Aeternity is another blockchain entirely, so not directly relevant to Ethereum . Raiden, when it arrives, looks like it could be a good payment channel solution but, as future articles will cover, payment channels need a fair amount of supporting infrastructure to make them generally useful.

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