Description: Gains Tax is a tax applied to the profits earned by individuals and businesses, including those generated through the buying and selling of cryptocurrencies. In the context of decentralized finance (DeFi), this tax becomes relevant as users engage in activities such as staking, yield farming, and trading digital assets. On various blockchain platforms, where transactions are fast and frequent, users must be aware of the tax implications of their operations. The decentralized nature of these platforms can complicate the determination of tax residency and tax obligations. In the Web3 ecosystem, where interactions are more direct and less regulated, compliance with tax regulations becomes a challenge. The proof of stake (PoS), a mechanism used in many blockchains, can also generate income that is subject to taxes. Therefore, the Gains Tax in the cryptocurrency space affects not only traders but also those who participate in value creation through blockchain technology, highlighting the need for a clear understanding of tax obligations in this new financial environment.