Discover and read the best of Twitter Threads about #ETH2

Most recents (5)

Been thinking about #tendermint / #BFT / #Libra and what it means to be a settlement layer vs a MoE layer, and the gradient of crypto finality and how that relates to the centralization of the system and what we might see emerge with #ETH2 as a result.

$ETH isn’t money.
I’ve heard that said many times over by smart people working on the project.

So why does everyone say it is? ETH is simultaneously derided for being bad for tokens but not acknowledged as being great for SC.

Why not money? It gets complicated.
A deep dive into the Libra white paper reveals an interesting tech stack. The two things that stick out to me:

Ability to influence transactions.

Shortcuts the hard stuff by making it centralized. Their model doesn’t have to deal any of the real world hard stuff, like forks.
Read 15 tweets
A first technical impression of Libra, aka "facebook coin", compared against Eth 1 and Eth 2.

#ethereum #libra #eth2
0. data keying:
- 32 byte keys seem to be the future. Not only Ethereum 2 is using them in SSZ, Libra will use them for account keys
- static generalized indices, can't find much for "light" clients, you're either a powerful validator, or a user (to be expected)
1. Hashing/merkleization:
- SHA3-256. Not like eth1 (older SHA3), or ETH2 (SHA2-256, like bitcoin)
- No derived merkle structures ("hash tree root" in Eth 2) just bare binary trees.
- Sparse binary trees, with leafs moved upwards. Efficient, but not static enough (important too)
Read 16 tweets
So what does an #eth2 beacon node actually do, in practice? Well, here's a tweet storm to find out. We'll follow the logs of a node backwards, just like following a block chain that effectively is a singly linked list going back in time. Reverse engineering, like :)
The beacon node establishes the current head of the list effectively by voting, or attesting, as it's called here. Time progresses in slots, and for every slot, we broadcast and collect votes. Several nodes are voting for block B9F2ED1F, us included.
Apart from the head block, rewards will be handed out for getting a few other pieces of data right - including nailing justification as per Casper:…. 10 validators connected to this node, but only 3 are voting this round - it's split by shard.
Read 19 tweets
Rick @AFDudley0 responds to twitter questions at #EthCC: "What is the one thing you'd change about Ethereum?" A: "I wish the early design factored in more CS and more democracy in both the protocol and the Foundation."
"Ethereum 2.0 #eth2 is a bunch of napkins. No one knows what the bandwidth requirements are going to be."
"What's the biggest risk to #eth2? A: that it never happens because there are too many vested interests, too much invested and too much at stake in this existing system. People may not want to see it change."
Read 15 tweets
1/ Here comes a thread to give a high-level overview of Ethereum 2.0, and its first phase, the Beacon Chain.
#ethereum #eth2 #beaconchain
2/ Ethereum 2.0 is the result of years of research on how to scale Ethereum to deliver thousands of transactions per second and to implement Proof of Stake, addressing environmental and centralization concerns due to Proof of Work.
3/ From a high level, Eth 2.0 will have a hub and spoke model. The hub, called the Beacon Chain, will be the root security of the whole system and provide services such as finality, randomness, and management of validators for all the spoke chains, i.e. the shard chains.
Read 14 tweets

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