Charlie Lee [LTC⚡] : "The extension blocks concept is similar to sidechains. Think of this as a MimbleWimble sidechain that is attached to the main chain using consensus via a softfork upgrade. You can opt-in by sending coins into the MW extension blocks
Charlie Lee [LTC] -

Fungibility is the only property of sound money that is missing from Bitcoin & Litecoin. Now that the scaling debate is behind us, the next battleground will be on fungibility and privacy. I am now focused on making Litecoin more fungible by adding Confidential Transactions.

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