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11Alexandr11 [23.1K]
2 years ago
13

Proof-of-Blank______ is a requirement to define an expensive computer calculation, also called mining, that needs to be performe

d in order to create a new group of trustless transactions on the distributed ledger or blockchain. Multiple choice question. stake work decision
Business
1 answer:
mafiozo [28]2 years ago
5 0

Proof-of-Work is a requirement to define an expensive computer calculation, also called mining, that needs to be performed in order to create a new group of trustless transactions on the distributed ledger or blockchain.

<h3>What is Proof-of-Work in  Cryptocurrency?</h3>
  • A type of cryptographic demonstration known as proof-of-work involves one party (the prover) demonstrating to another (the verifiers) that a certain amount of computational effort has been put forth.
  • Consequently, this spending may be easily verified by verifiers with little work on their behalf.
  • The goal of proof-of-work algorithms is not to demonstrate that a task was completed or that a computational challenge was "solved," but rather to prevent data modification by imposing onerous energy and hardware control constraints.
  • Environmentalists have criticized proof-of-work systems for using too much energy.
  • Later, Bitcoin popularized proof of work as the basis for agreement in a permissionless, decentralized network where miners compete to add blocks and create new money.

To learn more about Cryptocurrency refer to:

brainly.com/question/16450854

#SPJ4

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2. You retire at age 60 and expect to live another 23 years. On the day you retire, you have $568,900 in your retirement savings
hichkok12 [17]

Answer:

The monthly withdrawals are $3,537.85 and will last for 23 years.

Explanation:

We have to calculate the monthly installment of an annuity:

PV \div \frac{1-(1+r)^{-time} }{rate} = C\\

PV 568,900.00

time 276 (23 years x 12 months)

rate 0.004333333 (5.2% = 5.2 / 100 = 0.052 per year we now divide by the 12 months of a year and get the rate for monthly withdrawals.

568900 \div \frac{1-(1+0.00433)^{-276} }{0.00433} = C\\

C  $ 3,537.85

5 0
3 years ago
Which of the following is considered a likely result from advertising? A. Brand names offer consumers no new information about p
Margaret [11]

Answer:

B) Signaling theory suggests that expensive testimonials from celebrities indicate a higher quality product.

Explanation:

In advertisement, signalling theory uses a biological approach that celebrities, which are seen as successful, wealthy, powerful, etc. transmit a sense of quality to the products that they endorse or recommend.

For example, Mr. T's breakfast cereal was very successful during the 1980s because customers identified Mr. T with being strong, healthy and powerful. Most people are usually followers, not leaders, and we like to follow our famous celebrities.

7 0
4 years ago
The promotional mix includes advertising, personal selling, sales promotion, __________, and direct marketing. A. public relatio
krok68 [10]

Answer: option "A" is correct

Explanation:

It's an official context for other options.

6 0
3 years ago
Helen worked for ABC Motors for 25 years. The president of ABC said to her: "In consideration of your past service for 25 years,
anastassius [24]

Answer:

No, legal consideration is absent

Explanation:

According to the given situation, the President of ABC company was promised to Helen to give a new car next week as Helen worked for 25 years. But the president did not give the car as he promised to the Helen.

In this case, there was a promise which was verbal, not in the way of legal consideration, which means there is no proof so that Helen can claim from the president.

Therefore the correct answer is No, legal consideration is absent

8 0
3 years ago
What is an essential government role in market economies select one of the options below as your answer:
slavikrds [6]
The correct answer to this question is letter "b. to prevent monopolies and collusion." An essential government role in market economies is <span>to prevent monopolies and collusion. If it happens that there is monopoly and collision, then it will be a big problem to consumer.</span>
3 0
3 years ago
Read 2 more answers
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