![Porgramming - Future Deep Tech](https://a.storyblok.com/f/128931/4160x6240/6ef9717361/pexels-cottonbro-5473950.jpg)
Smart Contracts
![https://a.storyblok.com/f/128931/5373x3587/73d0760efc/pexels-mati-mango-5952651.jpg](https://a.storyblok.com/f/128931/5373x3587/73d0760efc/pexels-mati-mango-5952651.jpg)
smart contracts
Smart contracts are simply programs stored on a blockchain that run when predetermined conditions are met. They typically are used to automate the execution of an agreement so that all participants can be immediately certain of the outcome, without any intermediary's involvement or time loss.
![future deep tech](/_next/static/image/public/img/poly3.eaf6b8c5036e7afd319bcce5e496191a.png)
Booking Hotel
You are able to book a room with cryptocurrency and make sure nobody books this room before you.
https://github.com/kasraJannati/solidity-projects/blob/main/bookingHotel.sol
![future deep tech](/_next/static/image/public/img/poly2.09e1596faa532db194e7fcd4a7e53481.png)
Bank
Withdraw and Deposit with crypto.
check your account balance
https://github.com/kasraJannati/solidity-projects/blob/main/Bank.sol
![future deep tech](/_next/static/image/public/img/poly3.eaf6b8c5036e7afd319bcce5e496191a.png)
Digital Market Place
Put and sell your NFT in the market!
https://github.com/kasraJannati/solidity-projects/blob/main/DigitalMarketPlace.sol