# Hicss

> Blockchain Developer

## Recent Posts

- [Bytes and String in Solidity ](https://paragraph.com/@freesuton/bytes-and-string-in-solidity)
- [EIP-712: Quick Intro and Use case](https://paragraph.com/@freesuton/eip-712-quick-intro-and-use-case)
- [Ethernaut  Solution Notes](https://paragraph.com/@freesuton/ethernaut-solution-notes)
- [aToken / yield-generating tokens](https://paragraph.com/@freesuton/atoken-yield-generating-tokens)
- [Store, and modify data by bit position: Solidity Example ](https://paragraph.com/@freesuton/store-and-modify-data-by-bit-position-solidity-example)
- [How Tornado Cash works](https://paragraph.com/@freesuton/how-tornado-cash-works)
- [How UMA Oracle works](https://paragraph.com/@freesuton/how-uma-oracle-works)
- [Chainlink Code Walkthrough](https://paragraph.com/@freesuton/chainlink-code-walkthrough)
- [Storage Slots](https://paragraph.com/@freesuton/storage-slots)
- [Gas Optimization Tips](https://paragraph.com/@freesuton/gas-optimization-tips)
- [ Security of Smart Contracts 5: Weak Randomness](https://paragraph.com/@freesuton/security-of-smart-contracts-5-weak-randomness)
- [Security of Smart Contracts 4: Denial Of Service](https://paragraph.com/@freesuton/security-of-smart-contracts-4-denial-of-service)
- [Security of Smart Contracts 3: Tx.origin](https://paragraph.com/@freesuton/security-of-smart-contracts-3-tx-origin)
- [Security of Smart Contracts 2: Reentrancy](https://paragraph.com/@freesuton/security-of-smart-contracts-2-reentrancy)
- [Security of Smart Contracts 1: Overflow](https://paragraph.com/@freesuton/security-of-smart-contracts-1-overflow)
- [Upgrade smart contracts 3](https://paragraph.com/@freesuton/upgrade-smart-contracts-3)
- [Upgrade smart contracts 2: delegatecall](https://paragraph.com/@freesuton/upgrade-smart-contracts-2-delegatecall)
- [Update smart contracts 1: Assembly](https://paragraph.com/@freesuton/update-smart-contracts-1-assembly)

## Blog Information

- [Homepage](https://paragraph.com/@freesuton/): Main blog page
- [RSS Feed](https://api.paragraph.com/blogs/rss/@freesuton): Subscribe to updates
- [Twitter](https://twitter.com/freesuton): Follow on Twitter

## Optional

- [All Posts](https://paragraph.com/@freesuton/): Complete post archive
- [Sitemap](https://paragraph.com/@freesuton/sitemap-index.xml): XML sitemap for crawlers