IMO second layers make peer to peer electronic cash a reality. The Bitcoin chain because of its security becomes the base settlement layer for the most economically dense transactions/settlements. The base layer will not only be for Bitcoin settlement though, I think all value transfers (that need robust security) will settle on it via bitcoin collateralized smart contracts.

Thoughts?

submitted by /u/kalapa108
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Source and link to Reddit topic: In the future bitcoin may be the base settlement layer for global value transfer.

Author: Reddit.com