Image from [Yung-Chen Chou](https://www.mdpi.com/1999-5903/11/7/149)

Fundamental Data Structures in Blockchain Systems

Overview of the Block chain and Merkle Tree data structures

August 31, 2023 · 6 min · Antonio Pancorbo
[Enabling Blockchain Innovations with Pegged Sidechains](https://blockstream.com/sidechains.pdf)

Enabling Blockchain Innovations with Pegged Sidechains

Since the introduction of Bitcoin in 2009, and the multiple computer science and electronic cash innovations it brought, there has been great interest in the potential of decentralised cryptocurrencies. At the same time, implementation changes to the consensuscritical parts of Bitcoin must necessarily be handled very conservatively. As a result, Bitcoin has greater difficulty than other Internet protocols in adapting to new demands and accommodating new innovation. We propose a new technology, pegged sidechains, which enables bitcoins and other ledger assets to be transferred between multiple blockchains....

Adam Back, Matt Corallo, Luke Dashjr, Mark Friedenbach, Gregory Maxwell, Andrew Miller, Andrew Poelstra, Jorge Timón, Pieter Wuille
[Mastering Blockchain](https://www.oreilly.com/library/view/mastering-blockchain/9781492054696/)

Mastering Blockchain

The future will be increasingly distributed. As the publicity surrounding Bitcoin and blockchain has shown, distributed technology and business models are gaining popularity. Yet the disruptive potential of this technology is often obscured by hype and misconception. This detailed guide distills the complex, fast moving ideas behind blockchain into an easily digestible reference manual, showing what’s really going on under the hood. Finance and technology pros will learn how a blockchain works as they explore the evolution and current state of the technology, including the functions of cryptocurrencies and smart contracts....

Lorne Lantz, Daniel Cawrey