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Questions tagged [coordinator]

Use this tag for questions related to Coordinator:

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0answers
34 views

If IOTA Foundation goes bankrupt or shuts down, what happens with the Tangle and the Coordinator? [closed]

Given that the Coordinator is closed-source and the entire network needs it for consensus, what happens if IOTA Foundation shuts down? Who will run the Coordinator? Who will oversee permanent ...
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0answers
36 views

Is the IOTA Coordinator and Milestones similar to Bitcoin checkpoints?

A comment was posted in the internet that the Coordinator doesn't make IOTA any more centralised than Bitcoin because Bitcoin has checkpoints. Someone even said, The purpose of the checkpoints ...
1
vote
1answer
120 views

How are random walk entry transactions chosen in a coo-free tangle?

With the coordinator, the MCMC random walk tip selection algorithm starts with a milestone as its entry transaction. Without the coordinator, there are no milestones. How is the entry transaction for ...
3
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1answer
85 views

Does IOTA have block finality (at the moment)?

As the title says i am interested in the block finality of IOTA. In the long run there seems to be no instant block finality in IOTA because it is only considered confirmed as some number of tips are ...
3
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0answers
46 views

How will you know if your node is synced post Coordinator removal? [closed]

Currently node sync status is determined by milestones which are issued by the coordinator. Once autosnapshots, and removal of the coordinator occurs, how will we know if the node is in sync with the ...
1
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0answers
63 views

How to find earliest confirming (referencing) milestone for the confirmed transaction?

This question is about a) iterating milestones starting from the latest and b) most efficient way to find if it references the transaction. Note, that a milestone not necessary refers to previous ...
3
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1answer
102 views

How does the IOTA Foundation determine if a spend is a typo or a real spend?

According to Come-From-Beyond in the emails send to DCI: The Coordinator is used as an extra protection measure. Particularly, it stores all transactions that reach it, this allows us to recover ...
1
vote
2answers
89 views

Why is the Coordinator necessary if its confirmations will be rejected by other nodes if it acts maliciously?

It has been said many times that the Coordinator is not necessary because its confirmations will be rejected by other nodes if it acts maliciously. It follows that if other nodes can tell if the ...
1
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2answers
52 views

Is the fastest confirmation time limited by the frequency of the Coordinator issued Milestones?

Looking at traviota.iotalt.com, the fastest confirmation time encountered in the last 7 days was 29 seconds. This looks likes the approximate same duration between Coordinator issued Milestones. ...
4
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2answers
131 views

Economic Clustering and need for (Dezentralized) Coordinators?

In CfB's recent blog post on Economic Clustering and IOTA, he looks at a possible future of IOTA and envisions two different types of IOTA clusters: Cluster 0: A a set of Full Nodes that are ...
1
vote
2answers
238 views

We are several years into IOTA - why can't the Coordinator source code be made public?

Many promises that the Coordinator code would be open sourced. It was stated that when the IOTA Foundation was formed, that the COO would become open sourced. This was also confirmed by David on ...
3
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2answers
265 views

What happens to the Iota network if the coordinator vanishes?

Some people argue that Iota is centralised because of the use of a coordinator to issue milestones which, in turn, are used as a root of trust to verify transactions. What would happen to the network ...
2
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2answers
167 views

As per “The Stability and the Security of the Tangle”, how will IOTA ensure that all honest nodes are continuously using their hashing power?

As per the recently released The Stability and the Security of the Tangle, a 2018 ICUBE - University of Strasbourg "study of the stability and the security of the distributed data structure at the ...
-2
votes
1answer
62 views

The “road-map” for when the IOTA Tangle reaches sufficient size? [duplicate]

Apparently we are still in "testnet" including a "coordinator" responsible for the validation of all transactions until the tangle reaches sufficient size. If so, what is the "road-map" on this point?
5
votes
2answers
442 views

Decentralized milestone issuance scheme?

I decided to preserve the original post in a pastebin for reference but the edits here address pretty much everything i think. Here is the link to the original post. There is also a link to a fresh ...
4
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2answers
187 views

Remove the necessity of Milestones

In the Original white paper of the IOTA there is no mention of the Milestone. In reality however, the IRI code is so tangled (pun intended) with the use of Milestones, that I was not able to run an ...
4
votes
2answers
195 views

Coordinator Address is Hard-Coded - Secure?

This question might have risen out of not enough knowledge about the role of the Coordinator. But.. Due to its one-time nature, the security of funds in an address decreases rapidly if you sign ...
12
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1answer
161 views

How does the coordinator sign milestones without compromising the private key?

All milestones are just signed transactions with teh address KPWCHICGJZXKE9GSUDXZYUAPLHAKAHYHDXNPHENTERYMMBQOPSQIDENXKLKCEYCPVTZQLEEJVYJZV9BWU. My understanding is that to sign a transaction, you do ...
8
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1answer
196 views

What is the “latestSolidSubtangleMilestone”?

In the documentation I found the following description for "latestSolidSubtangleMilestone": The latest milestone which is solid and is used for sending transactions. For a milestone to become ...
3
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1answer
78 views

How do full nodes verify that a transaction has been confirmed by the Coordinator?

Is the public key of the Coordinator hard coded into the current implementation of IRI? I can't find that part in the code.
2
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3answers
711 views

How can IOTA's proof of work provide sufficient network security?

This is a controversial post I found in the IOTA slack. The concerns are regarding IOTA's security. How does IOTA approach the specific statements? IOTA is fundamentally broken. It's a PoW ...
7
votes
1answer
374 views

What's the difference between Milestones and Snapshots?

As far as I understand Milestones are done by the Coordinator to verify transactions. What do Snapshots do? Do they serve as backup? Do they clean up dead tips? Who issues them?
5
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2answers
149 views

Identify transactions issued by the coordinator

I am listening for new transactions on the ZMQ stream published by the iri. Is there a way to identify transactions that were created by the coordinator?
37
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3answers
1k views

What are the prerequisites for shutting down the IOTA coordinator?

What conditions need to be met for the central coordinator to be shut down? Is there a number of transactions per second, a number of full IRI nodes or an update to the algorithm necessary?
27
votes
1answer
1k views

What does the IOTA coordinator actually do?

We know that there is a coordinator, which helps to secure the network in order to prevent attacks in early stages of adoption. What does it do exactly, how does it work?