00:00Since its inception in 2009, Bitcoin has evolved from a revolutionary idea into a global digital
00:04currency. At the heart of this evolution is Bitcoin Core the software that powers the network
00:09enforces consensus rules and validates every transaction. Today, we are taking a journey
00:13through Bitcoin Core's development, from the AlphaZero release all the way to the upcoming
00:17version 30. It all began with AlphaZero, the very first Bitcoin software released by Satoshi
00:22Nakamoto. It was simple, functional, and marked the birth of the Bitcoin network. As the software
00:27progressed through version 0.2 to 0.3.9, it gained support for Linux and multi-processor
00:32mining, slowly expanding its capabilities. While version 0.9, released in 2014, Bitcoin
00:38Core had become more stable, with improved performance and scalability, laying the foundation
00:42for future upgrades. The period from 2015 to 2019 saw major strides in functionality and
00:47usability. Version 0.10 introduced wallet backups and better transaction handling, making it
00:52safer for users to manage their funds. Version 0.12 brought support for segregated witness,
00:57or SegWit, a breakthrough that improved scalability and paved the way for future innovations like
01:01the Lightning Network. By 2019, with version 0.18, Bitcoin Core focused on performance improvements
01:07and stability, ensuring a smoother experience for all users. Between 2019 and 2021, Bitcoin
01:13Core enhanced privacy and security. Version 0.19 introduced better wallet privacy features,
01:19while version 0.21 brought one of the most significant upgrades in use, Taproot. Taproot allowed for
01:24more private transactions and more complex smart contracts, boosting both security and
01:28flexibility for Bitcoin users. From 2021 to 2025, Bitcoin Core focused on performance, hardware
01:34support, and incremental improvements. Version 22 improved efficiency and introduced support
01:39for newer hardware. By version 25, the software was optimized even further, while version 28 brought
01:45interface updates and translation improvements. Version 29 continued enhancing user experience and
01:50performance, keeping Bitcoin Core at the forefront of decentralized financial software. And now,
01:55Bitcoin Core v30 is on the horizon. Scheduled for release in October 2025, this update promises
02:00transformative changes. The OP backslash return data limit will expand from 80 bytes to nearly 4 megabytes,
02:06allowing for much larger amounts of data to be embedded directly on the blockchain. For the first time
02:11in over a decade, transactions with multiple OP backslash return outputs will be accepted into the
02:15default mempool. This opens new possibilities for developers and applications.
02:20Finally, v30 will enhance privacy features, reinforcing Bitcoin's fungibility and offering users
02:24stronger protections for their transactions. From AlphaZero to v30, Bitcoin Core has grown from a
02:30simple prototype into a sophisticated network client, continuously adapting to the needs of developers,
02:34users, and the global financial ecosystem. Each version reflects a milestone in Bitcoin's journey,
02:39performance improvements, privacy enhancements, scalability solutions, all leading toward a more robust,
02:44secure, and versatile Bitcoin network. And as version 30 approaches, the evolution of Bitcoin Core reminds us
02:50that Bitcoin isn't just a currency, it's a living, evolving technology that continues to redefine money as we know it.
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