Tangles, DAGs, and IOTA

https://youtu.be/I_jNH9BlEEo

In IOTA every user is a 'miner' and it's not really a blockchain, but Tangles , DAGs and graph theory in a sense.   Good video.

POS vs POW challenges still ahead

https://medium.com/@hugonguyen/proof-of-stake-the-wrong-engineering-mindset-15e641ab65a2

Great write up on the consensus challenges for POS.  POW has proven to work at scale on various cryptocurrencies.  POS still seems in it's academic infancy as far as moving forward into the Proof of Stake less energy utilization world of cryptocurrency and blockchain. 

Monero no ASIC

https://cointelegraph.com/news/monero-and-siacoin-reject-bitmains-asic-miners-who-could-be-next

ASIC and bitmain/antminer control what , 70% of all mining equipment, so yeah , take about centralized systems in a way. 

SEC has a dedicated ICO page now

https://www.sec.gov/ICO

SEC (securities and exchange commission) created a dedicated page for ICOs now.  

Lightning network raspberry pi github tutorial

https://github.com/Stadicus/guides/blob/master/raspibolt/README.md

This is a cool thing to test out.  Build a node for the lightning network with a raspberry pi.  

Distributed systems for a blockchain decentralization world

Why distributed systems engineers aren't  working on blockchain much ?

Good read.

Supply chain and IOTA

Supply plains and logistics are like black boxes.   So a connected global world with 3000 parts everywhere and nowhere and unknown ...

Origin of the entire supply chain needs to be smarter ....