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Hydra

olga.hryniuk@iohk.io
A family of protocols that overlay the layer 1 Cardano blockchain to process transactions off the main chain. Hydra uses the main ledger as the secure settlement layer, boosts throughput, minimizes the delay in starting to process transactions, incurs low to no costs, and greatly reduces storage requirements.
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Hydra Head

olga.hryniuk@iohk.io
The first of several Hydra protocols, and the basis of improving Cardano's scalability. Each Hydra Head works as an off-chain mini ledger, similar but faster than the main on-chain ledger, shared between small groups of participants. Many complex protocols can be added as layers on top of Cardano.
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IOG

olga.hryniuk@iohk.io
Input Output Global. The new name for IOHK, the company that developed the Cardano blockchain. IOG was registered in the US state of Wyoming in 2018, along with an office in Singapore.
1 up votes and 0 down votes. Total score

IOHK

olga.hryniuk@iohk.io
Input Output Hong Kong was founded in 2015 by Charles Hoskinson and Jeremy Wood to create Cardano. The company became Input Output Global in 2018.
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ISPO: initial stake pool offering

olga.hryniuk@iohk.io
A way to raise funds for DApps or projects on Cardano. A project offers its users tokens usable within its DApp in exchange for these users delegating their stake to the project’s pool. This increases the pool’s margin and helps it gain more rewards. Users receive staking rewards and benefit by getting utility tokens. There is no risk of losing funds because...
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Incentive

olga.hryniuk@iohk.io
A way to encourage participants in the system to engage in the network by rewarding them with a return that is proportional to their efforts. Incentives aim to ensure equality and fairness in a distributed network of participants by encouraging consistent, active, and strong participation. Cardano's incentives model uses game theory to calculate the incentiv...
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Interoperability

olga.hryniuk@iohk.io
Aims to enable interconnection between blockchains. Cross-chain transfers and the ‘internet of blockchains’ will grant enhanced user experience and functionality. Sidechains and the AGIX ERC20 converter support Cardano's interoperability.
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Jormungandr

Ivan Irakoze
A Rust-coded node implementation with the goal of supporting Ouroboros-based consensus protocols.
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KEVM

olga.hryniuk@iohk.io
K Ethereum Virtual Machine. It allows developers to experiment with any smart contract that can be run on the EVM, and offers improved security and performance.
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Key pair

olga.hryniuk@iohk.io
A set of two keys: public verification key and private signing key. These keys are used to process and approve transactions within the blockchain.
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Layer 1

olga.hryniuk@iohk.io
The main blockchain ledger that operates on the underlying consensus protocol. This layer includes protocol parameters that control capabilities such as scalability and throughput.
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Layer 2

olga.hryniuk@iohk.io
An additional, off-chain protocol that works on top of the layer 1 blockchain. Parties can securely transfer funds from the blockchain into an off-chain protocol, settle transactions in this protocol independently of the underlying chain, and safely transfer funds back to the underlying chain as needed. Layer 2 protocols improve overall throughput and scalab...
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Ledger

olga.hryniuk@iohk.io
A database of blockchain records. On Cardano, more than 3,000 stake pools distributed worldwide operate and maintain this ledger.
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Light wallet

olga.hryniuk@iohk.io
A cryptocurrency wallet that does not need to download the full history of blockchain records. Instead, the wallet links into a website where the full blockchain is accessed. This makes a light wallet faster and easier to use.
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Liquid democracy

olga.hryniuk@iohk.io
A hybrid of direct and representative democracy to be used in Voltaire. Liquid democracy enables the treasury system to take advantage of expert knowledge in a voting process, as well as ensure that all ada holders are granted an opportunity to vote. For each project, a voter can either vote directly or delegate their voting power to a member of the communit...
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Liquid staking

olgahryniuk
Cardano’s delegation mechanism is based on liquid staking, meaning that staked funds are never locked and can be spent at any time. Other platforms use a third-party protocol to make staked tokens liquid, which has the potential to introduce security problems.
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Liquidity mining

olga.hryniuk@iohk.io
The process of creating or adding new coins or tokens to support the demand for transactions on a DEX. Liquidity miners (providers) usually get rewards that incentivize them to support the user base and grow liquidity pools with deposited cryptocurrencies.
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Local state

Ivan Irakoze
This represents immutable data that makes smart contract execution on the EUTXO model highly deterministic (predictable).
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Lovelace

olga.hryniuk@iohk.io
The sub unit for ada. One ada = 1,000,000 lovelaces. The name comes from Ada Lovelace, the daughter of Lord Byron who became a mathematician and programmer with her work on Charles Babbage's Analytical Engine project.
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Mainnet

olga.hryniuk@iohk.io
The live blockchain. Cardano upgrades are assessed on a testnet before being released on the mainnet.
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