Providing online non-downloadable software development tools for using and facilitating access to third-party large language models (LLMs) for creating blockchain-based applications provided by a blockchain as a service (BAAS) provider; providing temporary use of non-downloadable web-based decentralized applications (DApps) for using and facilitating access to third-party large language models (LLMs) for providing data availability services on a blockchain; providing temporary use of non-down...