what's the difference? here is the techcrunch url https://techcrunch.com/2018/07/22/rental-attacks-mean-that-blockchains-must-evolve-or-die/ https://techcrunch

what's the difference? here is the techcrunch url https://techcrunch.com/2018/07/22/rental-attacks-mean-that-blockchains-must-evolve-or-die/ https://techcrunch.com/2018/07/22/rental-attacks-mean-that-b...