School of Rich Programmers 7495.org/kurs-en.htm

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7495.org

Blockchain is an exciting game for everyone!

Game for learning. Do not use for other purposes!


Answers and solutions to the problems are on this page.

Challenge 1

Create your own private key from any numbers and words (for example test or 1 2 3). Write down this private key, save it and don’t show it to anyone.

Private Key.html
Challenge 2

Create your public address from the private key you received (the key from task 1). Cryptocurrency and virtual items will be sent to this 0x... address. Public address 0x... can be shown to everyone.

Converter.html
Challenge 3

Look at the address you created for crypt, if there is one there, it means that someone is already using this address, make yourself another public address.

Balance.html
Math Challenge 4

Create 10 keys from the Pi number, then make 10 addresses from them:

Pi.html
Create 10 keys from the Fibonacci number, then make 10 addresses from them:

Fibonacci.html
Create 10 keys from the Mersenne number, then make 10 addresses from them:

Mersenne.html
Create from any 10 perfect numbers, then make 10 addresses from them:

Perfect-Number.html
Create 10 keys from Luke's number, then make 10 addresses from them:

Lucas.html
Create from any 10 prime numbers, then make 10 simple wallets from them:

Prime-Number.html
Create 10 keys from the Moser number, then make 10 addresses from them:

Mosers-Circle.html
Challenge 5

How much would 1 Ether cost if its smallest particle 1 Wei cost 1 cent?

Price-ETH.html


Challenge 6

Create your own keys from any other mathematical constant numbers.

Key.html
Challenge 7

Download Metamask. Add your game addresses: "Import account". Open it in full screen, in the “Expand view” settings.

Metamask.html
Challenge 8

Switch from the main network to the test ones: Goerli and Sepolia or Linea.

Testnet.html
Challenge 9

Create a button for accepting donations, in this example the translation is 1 Wei. Change to your created public address, if necessary change the amount of ether (in hex). The script does not work locally, must be uploaded to the Internet.

Button.html


Challenge 10

Calculate how much 0.5 ether is in the hexadecimal system.

Dec-to-Hex.html
Challenge 11

Add and connect yourself to the networks Kraken, Binance, Kukoin, etc.

Chain.html
Challenge 12

Learn to translate the test Ether in test networks. If it is not visible in the balance, add “Import tokens” in the settings.

Token.html
Challenge 13

Gas cost. We calculate the commission for Ether transactions.

Gas.html
Challenge 14

Create your first Smart Contract in a text editor. The Cryptozombies.

SmartContract.html
Challenge 15

Upload the Smart Contract to the Blockchain. Interaction with Web3.

Deploy.html
Challenge 16

Create your own cryptocurrency, come up with a beautiful name for it.

MojCoin.html
Challenge 17

Create a collection of 10 different coins on 10 different blockchains.

Collection.html
Challenge 18

Repeat the training ICO: selling coins and tokens, converting crypto to fiat.

ICO.html
Challenge 19

Cross CryptoKitties cats, get Egg, sell for 100 thousand dollars.

CryptoKitties.html
Challenge 20

Create your first NFTs for Christie's $1 million auction.

NFT.html


Challenge 21

Create ERC20, ERC721, ERC998, ERC1155 for Sotheby's $7 million auction.

ERC.html
Problem 22

Write your first simple decentralized application DApp. For example, a virtual wallet plugin.

DApp.html
Challenge 23

Create and launch your own blockchain with a block explorer.

Blockchain.html
Challenge 24

Create, following the example, a crypto exchange and an exchanger for all cryptocurrencies. Connect acquiring to a real bank.

Exchange.html
Challenge 25

Mining. Overview of Matrix machines and software:

Mining.html
Answers to Challenge

Answers and explanations of tasks, ask questions on the forum:

Answer.html
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