School of Rich Programmers: 7495.org

Blockchain is an exciting game for everyone!

Game for learning. Do not use for other purposes!

Answers and solutions are on this page!

Challenge 1

Create your own private key from any numbers and words (for example: test).

PrivateKey.htm

Challenge 2

Create your public address from the private key you received.
Cryptocurrency and virtual items will be sent to this address.

Converter.htm

Challenge 3

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

Balance.htm Check Wallet Balance

Create Casascius MiniKey:

Casascius-ethereum-bitcoin.htm

Create MiniKey to Bitcoin Address:

MiniKey-to-Address.htm

Swap Test BTC Token:

BTC-test.htm

Add Chain to MetaMask (Beta testing, all currency as ETH).

Add-Chain.htm

How to generate Ethereum Address from Seed Phrase?

Create 3 PrivateKeys and 3 Adresses from Ethereum Seed Phrase:

Seedphrase.htm

How to generate PrivateKey from Public Address?

Create 3 PrivateKeys from Public Ethereum Adresses:

Address-to-PrivateKey.htm

How to generate Seed from one Word?

Create 20 PrivateKeys and 20 Public Ethereum Adresses:

Seed-one-Word.htm

Get TestCoin from Binance Chain!

Faucet.htm

Challenge 5

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

Price-ETH.htm

Challenge 6

Create your own keys from any other mathematical constant numbers.

Key.htm

Challenge 7

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

Metamask.htm

Challenge 8

Switch from the main network to the test ones: Holesky, Sepolia or Linea.

Testnet.htm

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.htm

Challenge 10

Calculate how much 0.5 ether is in the hexadecimal system.

Dec-to-Hex.htm

Challenge 11

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

Chain.htm

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.htm

Challenge 13

Gas cost. We calculate the commission for Ether transactions.

Gas.htm

Challenge 14

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

SmartContract.htm

Challenge 15

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

Deploy.htm

Challenge 16

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

MojCoin.htm

Challenge 17

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

Collection.htm

Challenge 18

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

ICO.htm

Challenge 19

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

CryptoKitties.htm

Challenge 20

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

NFT.htm

Challenge 21

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

ERC.htm

Problem 22

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

DApp.htm

Challenge 23

Create and launch your own blockchain with a block explorer.

Blockchain.htm

Challenge 24

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

Exchange.htm

Math Challenge

Create 3 keys from the Factorial number, then make 3 addresses from them:

Factorial.htm

Create 3 keys from the Fibonacci number, then make 3 addresses from them:

Fibonacci.htm

Create 3 keys from the Tribonacci number, then make 3 addresses from them:

Tribonacci.htm

Create 3 keys from the Tetranacci number, then make 3 addresses from them:

Tetranacci.htm

Create 3 keys from the Pentanacci number, then make 3 addresses from them:

Pentanacci.htm

Create 3 keys from the Hexanacci number, then make 3 addresses from them:

Hexanacci.htm

Create 3 keys from the Heptanacci number, then make 3 addresses from them:

Heptanacci.htm

Create 3 keys from the Octanacci number, then make 3 addresses from them:

Octanacci.htm

Create 3 keys from the Enneanacci number, then make 3 addresses from them:

Enneanacci.htm

Create 3 keys from the Nonanacci number, then make 3 addresses from them:

Nonanacci.htm

Create 3 keys from the Decanacci number, then make 3 addresses from them:

Decanacci.htm

Create 3 keys from the Hendecanacci number, then make 3 addresses from them:

Hendecanacci.htm

Create 3 keys from the Dodecanacci number, then make 3 addresses from them:

Dodecanacci.htm

Create 3 keys from the Catalan number, then make 3 addresses from them:

Catalan-Number.htm

Create 3 keys from the Catalan Triangle number, then make 3 addresses from them:

Catalan-Triangle-Number.htm

Create 3 keys from the Centered Square number, then make 3 addresses from them:

Centered-Square-Number.htm

Create 3 keys from the Evil number, then make 3 addresses from them:

Evil-Number.htm

Create 3 keys from the Jacobsthal number, then make 3 addresses from them:

Jacobsthal-Number.htm

Create 3 keys from the Keith Number, then make 3 addresses from them:

Keith-Number.htm

Create 3 keys from the Leonardo number, then make 3 addresses from them:

Leonardo-Number.htm

Create 3 keys from the Leyland number, then make 3 addresses from them:

Leyland-Number.htm

Create 3 keys from the Lucas number, then make 3 addresses from them:

Lucas-Number.htm

Create 3 keys from the Magic Constants number, then make 3 addresses from them:

Magic-Constants-Number.htm

Create 3 keys from the Mersenne number, then make 3 addresses from them:

Mersenne-Number.htm

Create 3 keys from the Moser Circle number, then make 3 addresses from them:

Mosers-Circle-Number.htm

Create 3 keys from the Narayanas Cows number, then make 3 addresses from them:

Narayanas-Cows-Number.htm

Create 3 keys from the Padovan Number, then make 3 addresses from them:

Padovan-Number.htm

Create 3 keys from the Pell number, then make 3 addresses from them:

Pell-Number.htm

Create 3 keys from the Pentatope number, then make 3 addresses from them:

Pentatope-Number.htm

Create 3 keys from the Pronic Number, then make 3 addresses from them:

Pronic-Number.htm

Create 3 keys from the Triangular Number, then make 3 addresses from them:

Triangular-Number.htm

Create 3 keys from the Yellowstone number, then make 3 addresses from them:

Yellowstone-Number.htm

Create from any 3 perfect numbers, then make 3 addresses from them:

Perfect-Number.htm

Create from any 3 prime numbers, then make 3 simple wallets from them:

Prime-Number.htm

Challenge 25

Mining. Overview of ENIGMA machines and software:

Enigma-Mining.htm

Mining. Overview of Matrix machines and software:

Matrix-Mining.htm

Answers to Challenge

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

Answer.htm

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