lykke it architecture - ucl...

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  • Agenda

  • What is Lykke?

  • Vision

  • Three fundamental components

  • High-level architecture

  • Issuance

    Example

    Digital asset is issued on the blockchain as Colored Coin (API/Web)

    https://www.coinprism.info/asset/AXkedGbAH1XGDpAypVzA5eyjegX4FaCnvMhttps://www.coinprism.info/asset/AXkedGbAH1XGDpAypVzA5eyjegX4FaCnvMhttps://www.coinprism.info/asset/AXkedGbAH1XGDpAypVzA5eyjegX4FaCnvM

  • Issuance Metadata defined in the JSON file protected by SSL certificate

    Lykke Corp JSON example https://lykke.com/asset/LKK

    {

    "asset_ids": [ "AXkedGbAH1XGDpAypVzA5eyjegX4FaCnvM" ],

    "contract_url": "https://lykke.com/Lykke_Corp_Placement_Memorandum.pdf",

    "name_short": "Lykke",

    "name": "Lykke Corp Equity",

    "issuer": "Lykke Corp",

    "description": "Lykke Corp is Swiss registered company that is crowd based at all levels. Lykke

    shares are issued in the form of Colored Coins. Lykke builds a global marketplace for all asset

    classes and financial instruments. Our marketplace will use the distributed ledger technology

    pioneered by Bitcoin to offer immediate settlement and direct ownership.",

    "description_mime": "text/x-markdown; charset=UTF-8",

    "type": "Stock",

    "divisibility": 6,

    "link_to_website": true,

    "icon_url": "https://www.lykke.com/img/coins/lykke-48.png",

    "image_url": "https://www.lykke.com/img/coins/lykke-260.png",

    "version": "1.0"

    }

    https://lykke.com/asset/LKKhttps://lykke.com/asset/LKK

  • Memorandum Placement memorandum (Prospectus, Terms & Conditions)

    Lykke Corp example https://lykke.com/Lykke_Corp_Placement_Memorandum.pdf

    https://lykke.com/Lykke_Corp_Placement_Memorandum.pdf

  • Real-time ownership structure

    Ownership is automatically updated after confirmation of each transaction e.g. Lykke ownership https://www.coinprism.info/asset/AXkedGbAH1XGDpAypVzA5eyjegX4FaCnvM/owners

    https://www.coinprism.info/asset/AXkedGbAH1XGDpAypVzA5eyjegX4FaCnvM/ownershttps://www.coinprism.info/asset/AXkedGbAH1XGDpAypVzA5eyjegX4FaCnvM/owners

  • Dividends distribution

    Dividends can be broadcasted in bitcoins or fiat colored coins (EUR, CHF, etc.)

  • Lykke Wallet

    https://itunes.apple.com/tt/app/lykke-wallet/id1112839581?mt=8https://play.google.com/store/apps/details?id=com.lykkex.LykkeWallet

  • Multisignature wallets are used to deposit client’s coins. The exchange does not take possession of the traded coins.

    2-of-2 Multisig address requires two signature to spend coins from it:

    • Client’s signature

    • Exchange signature

    Exchange 2-of -2 Multisig wallet Client + Exchange

    Client

    MultiSig wallets

  • MultiSig wallets advantages

    MultiSig wallet provides the following advantages:

    • Coins flow control – Exchange signature required for each transaction

    • Client identification (KYC) – registered clients only are allowed to trade

    • Coins safety – even if exchange is compromised clients will not lose their coins

  • MultiSig wallets refunds

    To guarantee funds recovery from the MultiSig wallet Exchange provides offchain «refund transaction»

    Exchange 2-of -2 Multisig wallet Client + Exchange

    Client

    Refund Offchain transaction

    nLockTime=31d

    Refund transaction can be broadcasted after 31 days

  • DVP atomic transactions are used to swap assets between peers

    Alice’s wallet Bob’s wallet

    USD EUR

    USD EUR

    There are two signatures are required to broadcast the atomic swap transaction on the bitcoin blockchain

    Atomic swap transaction

    Colored Coins Settlement

  • Guaranteed delivery-vs-payment transactions

    Transactions are settled as atomic swaps on bitcoin blockchain. Settlement risk is zero. Cost is zero too. See LykkeX transaction log https://www.coinprism.info/address/anJBX5sKFK4vnbywKWE2NQa9xrvLJEqRAB2

    https://www.coinprism.info/address/anJBX5sKFK4vnbywKWE2NQa9xrvLJEqRAB2

  • Trading stat

  • Trading stat

  • Trading stat

    22.5 min 2.5 hours 12 hours

  • Outlook

  • Outlook

  • Outlook

  • Conclusion