Questions tagged [consensus]

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5
votes
2answers
89 views

BABY5 vs. BABYM1? How does the network decide which is the “right” protocol?

The Tezos Docs say: Any node running the May release, in case of a successful promotion vote, will activate protocol 005_PsBABY5H, which contains a bug affecting bigmaps in smart contracts. ...
6
votes
1answer
56 views

How to calculate a random seed?

For example, we have 126/128 nonces, revealed in cycle 99. /chains/main/blocks/409599/context/raw/json/cycle/98/nonces?depth=1 If I understand correctly, using these nonces we can calculate the ...
6
votes
0answers
78 views

Tendermint vs Grandpa & Babe

It seems Tezos is moving towards the Tendermint consensus, used by Cosmos. However, wouldn't a Grandpa & Babe consensus mechanism, as used in Polkadot, allow for better block scaling? EDIT: I am ...
6
votes
1answer
115 views

What are nonce-revelations?

I'm in the process of setting up a HA baking infrastructure with multiple full nodes and a single baking service that can move to a different node if one goes down. I think I've got a handle on most ...
6
votes
2answers
136 views

What is the difference between implicit vs originated accounts?

Could someone please explain here what is the difference between implicit and originated accounts in tezos ?
4
votes
1answer
54 views

Consensus layer future evolutions?

I have seen a number of people discuss possible evolutions of the tezos LPOS consensus layer in the future to incorporate current research on BFT protocols (see here and here for intros). Among them ...
13
votes
1answer
69 views

Does the current (Proto003) consensus protocol have the BFT property?

I have seen several blog articles (e.g here and here) mention about the BFT consensus integration effort to Tezos. They gave me an impression that the current consensus protocol in Proto003 has no ...
4
votes
1answer
26 views

How do Tezos nodes achieve consensus on snapshots?

From what I understand, each node in the Tezos network takes its own snapshots during each cycle, which I assume will differ from node to node, as baking and endorsement rights are assigned randomly. ...
5
votes
1answer
92 views

Randomness, PVSS and Tezos [closed]

I have heard and read several times that PVSS would be a good improvement for the way randomness is generated to attribute the baking rights in the protocol. See for example here and here. I am not ...
4
votes
1answer
47 views

Zero endorsement blocks

It has happened in the past that certain blocks get 0 endorsement. Like this one for instance https://tzscan.io/103652?default=endorsement What conditions lead to such 0 endorsement blocks ?
4
votes
1answer
75 views

Largest block size in tezos?

Is there a limit on the block size in tezos? If so, is it expressed in a maximum number of transactions? Or maximum byte size? Or something else?
5
votes
2answers
203 views

Fees in proto 003?

Fees have been updated from proto 002 to proto 003. Is there a reference document available somewhere that is indicating fee information for tezos proto 003 ?
6
votes
2answers
109 views

What determines the length of a cycle in Tezos?

What are the consideration at play to choose the length of a cycle ? As any other economic parameter in Tezos it is subject to amendment however it would be great to collect here the things to think ...