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Questions tagged [proof-of-work]

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0
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1answer
29 views

How to use “iota.lib.js.powsrvio” via a small device supports LoraWAN?

If we want PoW is not performed in the device (in particular for low energy devices) we can use iota.lib.js.powsrvio. How to use powsrv.io? And what are prerequirements ? (Assume we want to use it in ...
1
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1answer
45 views

What is the Pearldiver? [closed]

I've frequently heard the term "Pearldiver" around Iota. What exactly is it and what does it do?
1
vote
1answer
128 views

If someone were to find a Proof of Work collision, could they pin the tail of the tangle to the head?

If someone were to find a Transaction Proof of Work collision, would it be possible to pin the tail of the tangle to the head and create an infinite loop? IE. Create a self-referential tangle segment ...
1
vote
1answer
90 views

Is it possible to create transactions that require less POW

The compute times for the proof-of-work varies considerably within a random sample of input data. With some input data, the POW can take 1/100th to even 1/1000th as little time as it takes normally (...
8
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3answers
309 views

Why confirming 2 previous transactions instead of 1 or 3, 4, 5?

In order to send a transaction, one has to validate 2 previous transactions. Why is it 2, instead of 1 or 3, 4, 5?
3
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2answers
128 views

GPU Proof-of-work

Is Iota proof of work being done only on CPUs right now, or also GPUs? I see people mentioning their GPU when posting about how long it takes their full node to do PoW, but I thought that required ...
6
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1answer
293 views

How much computing power is needed for the PoW?

I was just wondering how much computing power would you need for a single transaction. If we look into the future and think of all the small little sensors, they all would want to perform the PoW. ...
8
votes
0answers
522 views

What is the max possible transactions/second rate in IOTA?

Did anyone calculate the max amount of transactions per second which is possible in IOTA? As far as I understand the transactions rate is only limited by network's bandwidth of full nodes. Let's ...
7
votes
2answers
318 views

How long does the proof of work take today and in future? [duplicate]

Can someone explain how long the proof of work needs today and how long it may take in the future? I always think about if paying in a supermarket with IOTA will ever be possible. And right now I need ...
5
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1answer
347 views

What does it mean that “the tangle is network-bound instead of hash-power-bound like blockchain”?

Can someone explain me in a very simple way what should an attacker do to double spend in IOTA? In the whitepaper I read that a double spend transaction should outweigh the legitimate subtangle. ...