NFT financialization refers to the integration of NFTs into financial systems, enhancing liquidity and monetization through methods like fractionalization, lending, and market sales. Key components include unlocking liquidity via fractional ownership, NFT lending with collateral, and the establishment of NFT rental markets, all aimed at stabilizing the value of NFTs. The document also discusses strategies for NFT valuation, sustainability, and an overview of platforms and protocols that facilitate these financial processes.