"...we have to agree on one thing: what IS Bitcoin? Or, at least, what are the key features of Bitcoin that we must protect as we endeavour to change the system?"

Bitcoin's Diversity of Use-Cases and Security Models by Matt Corallo on 2017/2/28

"...eltoo simply enforces the latest agreed-upon state of the off-chain contract. This has important implications for the applicability and safety of the protocols that are built on top of the update mechanism."

eltoo: A Simplified Update Mechanism for Lightning and Off-Chain Contracts by Christian Decker, Ph.D. on 2018/4/30

"There was a bug in the Segwit2x software which caused the client to stop at block 494782. Examine the details of what caused the software to stop..."

Segwit2x Bugs Explained by Jimmy Song on 2017/11/20

"A plain-language explanation of the Lightning Network, a protocol for scaling and speeding up blockchains..."

What is the Lightning Network and how can it help Bitcoin scale? by Elizabeth Stark on 2016/9/15

"One of Bitcoin's strengths - the most important in my opinion even - is the low degree of trust you need in others. If you use a full node for your incoming transactions, you know that there was no cheating anytime in the history of your coins..."

Why Run a Full Node by Pieter Wuille on 2015/7/29