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brainwave

A.I. landing page with responsive design using Vite & Tailwind CSS

cardgamehack

Game with a pack of cards. Each card has a number associated with it which ranges from 0 to 2²⁵⁶–1. Players will guess a number that is going to be picked up. The dealer will then at random pick up a card from the pack. If someone correctly guesses the number, they win 0.1 ETH. Hacker attacks the game to find the "random" number.

ccip-cross-chain-nft

This project demonstrates how to mint an NFT on one blockchain from another blockchain using Chainlink CCIP

ceramic

A simple Next.js application that uses Self.ID. It will allow users to login to the website using their wallet of choice, which will be linked to their 3ID. The user can then write some data to their decentralized profile and retrieve it from the Ceramic Network.

chainbase

cosmicpick

CosmicPick✨ on Polygon MATIC(Mumbai). A randomized crypto lottery dApp. Connect your wallet, purchase your tickets & enter the galaxy of winning stars.

cssbackgrounds

dao

Anyone with a CryptoDevs NFT can create a proposal to purchase a different NFT from an NFT marketplace. Everyone with a CryptoDevs NFT can vote for or against the active proposals. Each NFT counts as one vote for each proposal Voter cannot vote multiple times on the same proposal with the same NFT If majority of the voters vote for the proposal by the deadline, the NFT purchase is automatically executed.

defi-exchange

Building an exchange with only one asset pair (Eth / CD token). The decentralized exchange will take a fee of 1% on swaps. When user adds liquidity, they should be given Crypto Dev LP tokens (Liquidity Provider tokens) CD LP tokens should be given proportional to the Ether user is willing to add to the liquidity.

delegatecall

Three smart contracts: Attack.sol, Good.sol & Helper.sol. Hacker will be able to use Attack.sol to change the owner of Good.sol using .delegatecall(). This is a simulated attack.

discord_pricebot

A python bot that tracks crypto prices 24/7 and notifies via Discord

dosattack

Good.sol will be used to run a sample auction. Attack.sol will become the current winner of the auction and it will not allow anyone else to replace it even if the address trying to win is willing to put in more ETH.

dosattack2

Attack.sol will use attack function to change the owner of Good.sol to itself

drainercontract

BadContract will be able to drain all of the ETH out of GoodContract.

ens

test website to display ENS

flashbot

sending transactions/minting NFTs using flashbots

flashloan

flowfield

flowfield2

flowpractice

forge_realty

A real estate NFT dApp in the making

graph-nftmarketplace

hardhat-fund-me-fcc

learning from FCC

hardhat-nft-marketplace

A decentralized NFT marketplace

hardhat-security

hunterbot

ico

ICO - Initial Coin Offering. 10,000 CD tokens

maliciouscontract

User will be able to enter an eligibility list using Good.sol which will further call Helper.sol to keep track of all the users which are eligible. Attack.sol will manipulate the eligibility list.

metatransactions

User will approve the TokenSender contract for infinite token transfers (using ERC20 approve function). Relayer calls contract and pays for gas. Tokens will be transferred to recipient with gas fees for the user.

monstergame