the rise of bitcoin banks with @Nicolas Burtey of @Galoy
Stephan Livera
Interesting scenarios on bitcoin blockchain hitting 1TB and 2TB by @OrangeSurf for @mempool
see full report here 
mempool research
Block Size Report
A data driven analysis of the bitcoin block size, revealing how growth was partially constrained by miner policy and Bitcoin Core defaults.
With bitcoin on chain transactions this cheap, arguably the bottleneck to adoption is not a technical one, it's economic.
plan b el Salvador starting soon!