Question: QUESTION 1 How many hashes do you need to try on average before you find one with 10 hexadecimal zeros at the front? QUESTION 2

QUESTION 1 How many hashes do you need to try on

QUESTION 1 How many hashes do you need to try on average before you find one with 10 hexadecimal zeros at the front? QUESTION 2 How many levels does a binary merkle tree have, including the original data nodes and the merkle root, if you have 101 leaf data nodes in the tree? QUESTION 3 Assume the bitcoin network is in equilibrium and is producing 1 block per 10 minutes on average. Your personal mining hardware has 20% of the network's computing power. What is the average time, in minutes, between blocks that you personally produce? QUESTION 4 Assume the bitcoin network is in equilibrium and is producing 1 block per 10 minutes on average. Suddenly, 48.4% of the network computational power leaves. What will be the expected new average time between blocks, in minutes (before the next difficulty adjustment happens)? QUESTION 5 Imagine there are 163 miners in the bitcoin network, each of whom is capable of calculating 8,676 hashes per minute. In order for the network block rate to be 1 block per 10 minutes, how many binary zeros must we require for our hash target? Round to the closest integer. QUESTION 1 How many hashes do you need to try on average before you find one with 10 hexadecimal zeros at the front? QUESTION 2 How many levels does a binary merkle tree have, including the original data nodes and the merkle root, if you have 101 leaf data nodes in the tree? QUESTION 3 Assume the bitcoin network is in equilibrium and is producing 1 block per 10 minutes on average. Your personal mining hardware has 20% of the network's computing power. What is the average time, in minutes, between blocks that you personally produce? QUESTION 4 Assume the bitcoin network is in equilibrium and is producing 1 block per 10 minutes on average. Suddenly, 48.4% of the network computational power leaves. What will be the expected new average time between blocks, in minutes (before the next difficulty adjustment happens)? QUESTION 5 Imagine there are 163 miners in the bitcoin network, each of whom is capable of calculating 8,676 hashes per minute. In order for the network block rate to be 1 block per 10 minutes, how many binary zeros must we require for our hash target? Round to the closest integer

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