Smart Ledger (aka Blockchain) Technology

Smart Ledgers are mutual distributed ledgers (MDLs, aka blockchains: multi-organisational databases with a super audit trail) combined with embedded programming and sensing. Smart ledgers are transforming the way people and organisations handle identities, transactions, debts, and contracts. The ability to have a globally available, verifiable, and high-integrity ledger or journal provides anyone wishing to provide trusted third party services, i.e. most major financial services firms, the ability to do so openly and robustly. The technical success and excitement surrounding Bitcoin's distributed ledger, 'the blockchain', has convinced doubters that distributed ledgers can work securely in harsh environments and, while a bit complicated, can work commercially. The key innovation is a public blockchain that eliminates the need for a central counter-party to act as a third party to financial transactions, relying instead on a decentralised peer-to-peer network secured by advanced cryptography. Trust in a counter-party changes to trust in the technology. Blockchain technology is interesting in that it provides a public ledger containing the full history of transactions, is secure and private and seems indestructible. However, blockchain technology is only a subset of smart and other mutual distributed ledgers, a field first explored by Z/Yen in 1995. Z/Yen’s flexible ChainZy software suite allows smart ledger architectures to be tailored to business specific requirements.

“Ledgers are the infrastructure of finance. Mutual distributed ledgers are pervasive and permanent. They will transform all financial trust architectures - exchanges, insurers, banks, and information providers.”
Professor Michael Mainelli, Executive Chairman of Z/Yen (2015)

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People are now rapidly exploring further applications of smart ledgers both within the world of finance and outside. Ideas for further applications include corporate voting, smart contracts, registries (ships, aircraft, tax, artworks etc.) and identity blockchains for anti-fraud protection or anti-money laundering. Collaborating with industry leaders and regulators, Z/Yen heads projects that seek to both forge a vision of potential new applications of smartledgers and demonstrate how they would work in practice. In other projects, such as Distributed Futures, Z/Yen seeks to facilitate networking and intelligence sharing between thought leaders in the field. One application of ChainZy, MetroGnomo, is an innovative open-source timestamping service based on a mutual distributed ledger. MetroGnomo provides proof that a given piece of information existed, or event happened, at a given point in time. It is the result of Z/Yen’s quest to design, and find a use for, the most stripped down mutual distributed ledger possible. The States of Alderney have committed to providing oversight of MetroGnomo's integrity until 2021.

Distributed Ledger Technology (DLT) - SWIFT Online Course

Discover what Distributed Ledger Technology is and the problems it aims to solve. See how blockchains and cryptocurrencies fit into the picture. Get an idea of the opportunities DLT offers, as well as the challenges to be resolved.

Linear Talk: Smart Contracts - FromTechno - Utopia To Reality

Linear Talk: What Is A Mutual Distributed Ledger And Why Is It Important

Current Projects

  • MetroGnomo – an open-source experimental timestamping service based on Z/Yen's ChainZy technology. MetroGnomo’s replicated authoritative immutable ledger provides proof that a given piece of information existed, or event happened, at a given time. The provision of impartial timing information and unique identifiers enables improved coordination, cooperation, integration and dispute resolution between and within firms. More information...
  • IDchainZ
  • ChainZy

Community Events

  • Distributed Futures Forum - A forum for senior people to meet and network with a group of their peers four times a year and share intelligence on mutual distributed ledgers, cryptocurrencies, blockchains, FinTech, RegTech, and other interesting topics where disruptive technology meets finance.
  • Crash Courses - Z/Yen runs courses to assist senior professionals to develop an understanding of mutual distributed ledgers and blockchains, and their potential business specific applications. Attendees come from a variety of organisations, including financial services firms, law firms and regulators. For upcoming courses...

Smart Ledgers - Articles & Reports

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Smart Ledgers in the Media

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Smart Ledger Events

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