[//]:content-type-MARKDOWN-DONOT-DELETE Gate Learn has released 9 new articles this week ! In the realm of GameFi, [STEPN](https://www.gate.io/learn/articles/what-is-stepn-all-you-need-to-know-about-gmt/1679 "STEPN") is a decentralized play-to-earn project built on Solana, utilizing GameFi and social elements to enhance users' daily lives. Moving on to DeFi, [Solend](https://www.gate.io/learn/articles/all-you-need-to-know-about-solend-slnd/1593 "Solend") is a lending protocol within the Solana ecosystem, determining borrowing and lending rates through pool parameters and piecewise functions. [Marginfi](https://www.gate.io/learn/articles/exploring-the-diverse-paths-of-web3-social-a-fleeting-trend-or-the-next-mass-adoption/1661 "Marginfi") is a point-to-pool lending protocol on Solana, introducing oracle price ranges and asset weights to reduce the risk of bad debt. [Marinade](https://www.gate.io/learn/articles/all-you-need-to-know-about-marinade-mnde/1641 "Marinade") is a liquidity staking protocol in the Solana ecosystem, offering choices of validators and local staking services. With the [DeFi](https://www.gate.io/learn/articles/how-to-analyze-defi-projects-/1677 "DeFi") economy continuing to grow significantly, the user base is expected to reach 22.09 million by 2028, requiring investors to conduct due diligence and implement effective risk management. In the realm of [ARC-20](https://www.gate.io/learn/articles/six-websites-to-take-you-into-the-world-of-arc-20-inscriptions/1640 "ARC-20"), the protocol is a new creation based on Bitcoin, expected to disrupt the existing narrative of the CBRC ecosystem and bring more application value to the Bitcoin blockchain. On the Ethereum front, [Optimistic Virtual Machine (OVM) ](https://www.gate.io/learn/articles/what-is-optimistic-virtual-machine/1678 "Optimistic Virtual Machine (OVM) ")aims to utilize EVM compatibility, providing developers with a stable framework for easy and efficient scaling of their smart contracts. The characteristics of [crypto lotteries](https://www.gate.io/learn/articles/top-crypto-lottery-platforms-for-2024/1629 "crypto lotteries") are supported by blockchain technology, ensuring fairness through encryption techniques such as smart contracts. [IDEX](https://www.gate.io/learn/articles/what-is-idex-all-you-need-to-know-about-idex/1630 "IDEX") is a decentralized exchange built on Ethereum, combining the best features of centralized exchanges and DEXs through the use of order books and AMM. Learn more