Questions tagged [proof-of-stake]

Proof-of-Stake model states that an individual can validate transactions according to how many coins they hold.

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1answer
25 views

How does block 6777986 win a height battle with a 43 second prop time?

Would someone please be so kind as to explain how a block with a 43 second prop time wins a height battle??? Block #: 6777986 Pool ID: 2cf87fadec7130c7e41910492073ae4dbe65ca462c1fdc3d2a56d015 ...
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Exchange in local currency

How does Cardano wallet handle tokens and exchange in local currency? I am looking to establish a mobile money transfer wallet with Cardano, for the sub- Saharan Africa market where cash flow is king ...
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2answers
52 views

Is there a publicly available Cardano API with pre-indexed blockchain data?

I'm looking for a public API that has idempotent endpoints that can be used to query for transaction data for a given address. Specifically, I'm looking for reward payout data. Does this exist in this ...
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2answers
81 views

Why Ouroboros Chronos and Proof-of-History need synchronization of time?

Which problem is solved if the time is synchronized between nodes? I know of two protocols which implement time synchronization: Ouroboros Chronos and Proof-of-History, how do they differ?
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2answers
60 views

Strongest arguments against self-referentiality in PoS

I recently came across an argument of self-referentiality in PoS and I'm wondering what's the strongest counter-point to this idea? In essence, the idea is that in PoS you Similarly reduced, proof-of-...
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4answers
164 views

What is the best/recommended OS to run a stake pool?

What is the best/recommended Linux OS to run a stake pool?
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3answers
185 views

Difference between staked and delegated tokens?

I'd like to clarify my understanding of staked and delegated tokens. Cardano website says: Ada held on the Cardano network represents a stake in the network, with the size of the stake proportional ...
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1answer
195 views

May I lose my coins when staking in Exodus wallet?

Is there any potential risk of losing all my ADA coins when staking with Exodus partner Everstake?
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1answer
151 views

When will k parameter be changed?

Is there any news on when k=1000 will happen?
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1answer
293 views

Difference between Ouroboros' Proof of Stake and Solana's Proof of History

What are the key differences between Ouroboros' Proof of Stake and Solana's Proof of History in aspects such as security, decentralization, functionality, efficiency (such as number of transactions ...
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1answer
112 views

Ouroborous vs Tendermint [closed]

What are the relative advantages and disadvantages of Ouroborus (a Proof of Stake system) vs Tendermint (a BFT system)? Some high level advantages of Tendermint I've seen so far (though I might be ...
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2answers
124 views

What is the exact implementation of proof of stake in Cardano?

I have a rough idea of what proof of stake does. However, I'd like the exact implementation (not the code) but a high-level description with hopefully some actual number, e.g. how many pools verify ...
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1answer
74 views

How are the key parameters that control Cardano governed?

I am looking to understand the 7 special keys that control all the parameters for cardano. How it's controlled, who gets to control it, and what each parameter means.
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317 views

Does ADA have any credit features built into it?

Are there any feature of Cardano ADA or its ecosystem that make borrowing against ADA held easier or better than other cryptocurrencies? Will all credit require that an application be developed to ...
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3answers
130 views

Where can I find formal work comparing PoS and PoW models?

For some time now I have been trying to find some clear and objective comparison of proof-of-stake (PoS) and proof-of-work-based (PoW) consensus protocols. Unfortunately, pretty much every comparison ...
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469 views

Why is PoS much faster than PoW?

My understanding of the topic is this: Proof-of-Work Miners compete with their hashrate for the right to publish a block. Proof-of-Stake Validators are randomly elected to validate a block. Why is ...
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1answer
224 views

How secure is Ouroboros Proof of Stake compared to Bitcoin Proof of Work?

It is generally thought of that Proof of Work is more secure than competing consensus algorithms. What security guarantees does using a Bitcoin PoW provide, and how does Ouroboros Praos compare? Will ...
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93 views

Is it possible that an honest validator node gets penalised in Cardano's POS scheme?

Want to understand if there can be scenarios where a stake pool gets penalised even though it does not act maliciously. If this risk exists, what are the possible cases that can lead to penalties and ...
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1answer
462 views

How is new ADA created?

In a Proof-of-Work protocol, a certain amount of the blockchain's native coin is issued with the minting of a new block as a way to reward miners for their efforts and involvement in the network. As ...