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    Cardano: As Byron Development Phase Ends, Community Eyes Shelley Upgrade

    William M. PeasterBy William M. PeasterMarch 21, 2019No Comments4 Mins Read
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    On March 20th, the Cardano (ADA) community released the project’s v1.5 software, which comprises the final major software release in Cardano’s inaugural Byron “bootstrap” development phase.

    Cardano

    In an announcement post on the v1.5 release, IOHK community manager Maki Mukai said the update will see the activation of Ouroboros BFT, Cardano’s optimized proof-of-stake (PoS) protocol:

    “This update brings a new consensus protocol, Ouroboros BFT, which is a key step in the transition from Ouroboros Classic, the current consensus protocol running the Cardano network, to Ouroboros Genesis, the protocol for the Shelley era. Ouroboros Genesis is a major upgrade to the protocol that underpins Cardano because it is the first proof-of-stake protocol that matches the security guarantees of proof-of-work protocols such as Bitcoin.”

    Mukai added that Ouroboros BFT wasn’t going to be activated at the moment and that its eventual launch would be “announced separately” as a planned hard fork.

    The Shelley roadmap. Image via IOHK

    As the Cardano’s roadmap explains, the cryptocurrency project is accordingly shifting from its adolescence, which was focused on code improvements and debugging, toward the technical maturation that the Shelley development phase will bring about:

    “As we progress through Shelley, work will be done that contributes to stability, interoperability and governance. Throughout the arc of development, Cardano’s protocols will increase in complexity, interdependence and use more exotic cryptographic primitives.”

    Users of the community’s flagship Daedalus ADA wallet can upgrade to v1.5 by moving to v0.13.0 of the wallet’s software and completing the provided instructions. Mukai warned upgraders to avoid scammers trying to take advantage of the transitional period in posting links to fraudulent Daedalus apps.

    Looking even further ahead, the completion of the Byron and Shelley phases will see the Cardano community undergo three more planned development periods: “Goguen,” “Basho,” and “Voltaire.”

    How About Some PoS Sidechains

    Table of Contents

    • How About Some PoS Sidechains
    • When Coinbase?

    The Cardano community entered 2019 with a bang, as IOHK researchers published a paper on December 31st, 2018, that outlined formal specs for PoS sidechains.

    Sidechain technology has already made considerable progress in the arena of proof-of-work cryptocurrencies like bitcoin (BTC). However, the IOHK researchers hailed their research as unprecedented, saying that formalized sidechain constructions had never before been actualized for PoS blockchains.

    Sidechains are chains that are connected through a two-way peg to separate blockchains. The tech opens up scaling and interoperability possibilities that can help make parent blockchains more nimble.

    The IOHK paper outlined sidechain constructions for consensus systems like Cardano Genesis but also for other compatible PoS consensus mechanisms like Algorand. The research posited several novel advancements, such as merged staking techniques, a firewall to protect blockchains from sidechains, and a new chain pegging technique dubbed ad-hoc threshold multisignatures (ATMS).

    On the point of merged staking, the researchers created a methodology that would allow for the production of sidechain blocks without tokens, like ADA, being staked on the sidechain:

    “Our construction features a mechanism we call merged-staking that allows mainchain stakeholders who have signalled sidechain awareness to create sidechain blocks even without moving stake to the sidechain. In this way, sidechain security can be maintained assuming honest stake majority among the entities that have signaled sidechain awareness that, especially in the bootstrapping stage, are expected to be a large superset of the set of stakeholders that maintain assets in the sidechain.”

    When Coinbase?

    As the technical prowess of Cardano advances, the blockchain’s community awaits the advancement of the upstart’s profile.

    One surefire way for that to happen is for ADA to be listed on Coinbase. That possibility seems all but guaranteed at this point after the exchange said it was exploring listing the coin throughout its ecosystem in late December 2018.

    The Coinbase-ADA embrace hasn’t materialized yet, but the reputability and strides of the Cardano project would seem to make the matter more of a question of when, not if.

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    William M. Peaster
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    William M. Peaster is a professional writer and editor who specializes in the Ethereum, Dai, and Bitcoin beats in the cryptoeconomy. He's appeared in Blockonomi, Binance Academy, Bitsonline, and more. He enjoys tracking smart contracts, DAOs, dApps, and the Lightning Network. He's learning Solidity, too! Contact him on Telegram at @wmpeaster

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