# Questions tagged [white-paper]

Questions on the Whitepaper

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### Coordicide Whitepaper Jan 2020, Mana System, Averaged Mana

In coordicide whitepaper in section 3.3 the mana system is introduced. It is stated that an averaged version of mana will be used. While I think I understand the necessity to use the averaged mana I ...
0answers
94 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 ...
0answers
72 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 ...
3answers
258 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 ...
1answer
126 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 ...
3answers
239 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: ...
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 ...
1answer
190 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 ...
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) > ...
1answer
174 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 ...
1answer
71 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.
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?
1answer
36 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?
1answer
61 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 ...
2answers
255 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 ...