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Re:Blockchain at CMU and Beyond [video] by man-and-laptop on Saturday January 05, 2019 @10:10AM (#18831983)
Bitcoin itself is moving away from pure Blockchain. There'sd a "second layer" network in development called Lightning, and most transactions are going be performed on that. The Blockchain itself will be reduced to a "settlement layer". (This is not without some controversy).

Of course, the underlying Blockchain will still be there. And it will always be possible to build other "second layer" solutions to compete with Lightning.

Similar things are in the works for Zerocash and Ethereum.

Re:Blockchain at CMU and Beyond [video] by clarkmoody on Sunday January 06, 2019 @10:58AM (#18838917)
You make it sound like Bitcoin is changing. This is not the case. The blockchain has always been an eventual consistency settlement system. Layering protocols on top makes sense and the lower layer does not need knowledge of the upper layer(s).