Based on a beam blog post, the Litecoin Basis approached Beam about doable cooperation to implement Mimblewimble through Extension Blocks on Litecoin.
In brief, Litecoin has been trying into including confidential transactions, they usually have been on the lookout for the precise tech to construct this out with. The Litecoin basis is now formally contemplating the Mimblewimble protocol. Beam is a significant Mimblewimble coin, and so it is sensible that the LTC folks can be seeking to BEAM folks for assist.
