Questions tagged [white-paper]

Questions on the Whitepaper

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2
votes
0answers
91 views

How to compute the % of network computing power the attacker hold?

It is known generally that Tangle is susceptible to 34% attack(of total computing power) that gives a 100% successful attack. The example given on page 19 of white paper says that an upper limit to ...
2
votes
0answers
71 views

how to relate computing power of attacker to transaction rate of attacker?

Assume that the merchant accepts the legitimate transaction when its cumulative weight becomes at least w_0, which happens t_0 time units after the original legitimate transaction. let μ stand for the ...
4
votes
1answer
119 views

“The Tangle” white paper: How the probability of double-spending event end with this approximation (t_0 μ)/w_1?

If the attacker managed to obtain a nonce that gives the double‐ spending transaction a weight of at least 3n0 during the time interval of length t0, then the attack succeeds. The probability of this ...
4
votes
0answers
43 views

What is the purpose of numWalks API parameter?

The IOTA whitepaper describes the tip selection algorithm in the Section 4.1. The idea there is to select N starting points in the tangle randomly (subject to some conditions) and then to do a random ...
4
votes
1answer
170 views

What is a conflicting transaction?

The term is used many times on the whitepaper but I can't find a definition. What would be examples of a conflicting transaction? Extract form Whitepaper: The main idea of the tangle is the ...
6
votes
3answers
247 views

Iota White paper section 4.4. Random walkers

My question is regarding section 4.1 of Iota white paper. I really don't understand how particles or random walkers will be actually placed by the nodes in the tangle. What they state is : "The node ...
11
votes
1answer
1k views

What is the Actual IOTA Algorithm for Tip Selection?

The IOTA Whitepaper dances around suggestions as to how a tip selection algorithm should be constructed. We need checkpoints for security to ensure that λ > μ (Arrival rate of honest nodes) > ...
3
votes
1answer
165 views

IOTA Whitepaper Math Section 4.1: Am I calculating this right?

I'm trying to craft an example going through the math equation in Section 4.1 . I'm trying to show my work. Can you tell me if I've got it right and if not, help correct me? Hx – Cumulative weight ...
4
votes
1answer
68 views

IOTA Whitepaper: What is z in Section 4.1?

Everything in the equation is defined except z. Is it supposed to be another parameter that is chosen like alpha? I want to actually use some reasonable sample variables and test this.
3
votes
1answer
32 views

IOTA Whitepaper: What is n in Section 4?

I am trying to wrap my head around n in Section 4 of the IOTA Whitepaper. I get that W is weight, but n does not seem to be defined. Can anyone please help me understand it?
4
votes
1answer
64 views

IOTA Whitepaper: What is δ?

In Section 3.1 of the IOTA Whitepaper it refers to small delta (δ) but does not actually define what it does. Can you help define δ and explain what the equation is trying to tell me?
1
vote
1answer
59 views

IOTA Whitepaper: What is N in Section 3?

The IOTA Whitepaper refers to N but never defines what N means. Can anyone tell me what the N means in Section 3 and explain in words what the equation means? Thanks! Observe that at any fixed time ...
4
votes
2answers
250 views

Iota Whitepaper: What is “k” in Section 3?

The IOTA Whitepaper in Section 3 does not seem to define k. Is k the number of verifications required by a transaction as noted earlier in the Whitepaper or something else? If it's the former I do not ...
6
votes
3answers
231 views

Theoretical delay before first approval

I'm reading the white-paper about the tangle. In pages 8 to 10, the author is calculating the average time for first approval of a tip on a stationary tangle. The first result is that under low load: ...