Bitcoin’s Capacity Increase from Segregated Witness Could Kick in Fast
Segregated Witness (SegWit) is a proposed soft-forking change to the Bitcoin protocol that, among other things, increases capacity of the network. In addition to an estimated doubling of the block size limit, SegWit is also viewed as a key improvement for layer-two solutions such as the lightning network and TumbleBit.
https://bitcoinmagazine.com/articles/bi ... kick-fast/