{ "terms": [ { "term": "Active Set", "definition": "The top 100 orchestrators by total bonded stake that are eligible to receive work and inflationary rewards each round.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Active Set Election", "definition": "The process at the start of each round that determines the top 100 orchestrators by bonded stake to form the active set.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Arbitrum (Arbitrum One)", "definition": "A Layer 2 Optimistic Rollup settling to Ethereum, processing transactions off-chain while inheriting Ethereum-grade security; the chain where Livepeer protocol contracts are deployed.", "category": "web3", "tags": [ "web3" ] }, { "term": "Bonding", "definition": "Locking (staking) LPT tokens to an orchestrator in Livepeer's delegated proof-of-stake system to participate in network security and earn rewards.", "category": "web3", "tags": [ "web3" ] }, { "term": "Broadcaster (deprecated)", "definition": "Legacy term for the node that published streams and submitted video jobs for transcoding; now replaced by 'Gateway.'", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Cascade", "definition": "Livepeer's strategic vision and upgrade for becoming the leading platform for real-time AI video pipelines, integrating AI inference alongside transcoding on the network.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Codec (CODEC)", "definition": "Software or hardware that compresses and decompresses digital video, typically using lossy compression algorithms.", "category": "video", "tags": [ "video" ] }, { "term": "ComfyStream", "definition": "A Livepeer project running ComfyUI workflows as a real-time media processing backend for live streams, enabling AI-powered video generation pipelines.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Confluence", "definition": "The production protocol upgrade (LIP-73) that migrated Livepeer's core protocol contracts from Ethereum L1 to Arbitrum One.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Controller", "definition": "The registry smart contract that manages all protocol contract addresses and coordinates protocol upgrades on Arbitrum.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "CPU (Central Processing Unit)", "definition": "The primary general-purpose processor in a computer; in Livepeer, CPU handles node software overhead while GPU handles intensive transcoding and AI inference workloads.", "category": "technical", "tags": [ "technical" ] }, { "term": "Cryptoeconomic Primitives", "definition": "Fundamental building blocks that combine cryptography and economic incentives to enable secure, decentralized protocols.", "category": "web3", "tags": [ "web3" ] }, { "term": "Daydream", "definition": "Livepeer's hosted real-time AI video platform that turns live camera input into AI-transformed visuals with sub-second latency.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Delegator", "definition": "A token holder who stakes LPT to an orchestrator to secure the network, participate in governance, and earn a share of rewards.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Delegation", "definition": "The act of LPT holders staking their tokens toward orchestrators they trust, sharing in rewards without running infrastructure.", "category": "web3", "tags": [ "web3" ] }, { "term": "Dynamic Inflation", "definition": "Livepeer's inflation model where the per-round LPT issuance rate adjusts up or down by 0.00005% each round based on whether staking participation is below or above the 50% target bonding rate.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Ephemeral Compute", "definition": "Short-lived GPU resource allocation provisioned on-demand for a single AI inference task, released when the task completes.", "category": "technical", "tags": [ "technical" ] }, { "term": "ETH Fees", "definition": "Payments in Ether made by gateways to orchestrators for completed transcoding or AI inference work, delivered via the probabilistic micropayment system.", "category": "economic", "tags": [ "economic" ] }, { "term": "Execution Layer", "definition": "The layer where actual compute work is performed by orchestrators and workers, distinct from the on-chain protocol layer.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Fault Proof", "definition": "A mechanism proving that an invalid state transition occurred on a Layer 2 chain, enabling challenges to incorrect rollup state roots.", "category": "web3", "tags": [ "web3" ] }, { "term": "Fee Share", "definition": "The portion of ETH fees earned by an orchestrator that is distributed to its delegators, determined by the orchestrator's configured fee cut percentage.", "category": "economic", "tags": [ "economic" ] }, { "term": "Finality", "definition": "The condition where a blockchain transaction becomes irreversible and cannot be altered or rolled back.", "category": "web3", "tags": [ "web3" ] }, { "term": "Gateway", "definition": "A node that submits jobs to the network, routes work to orchestrators, manages payment flows, and provides the interface between end-user applications and the Livepeer protocol.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Governor Contract", "definition": "The on-chain governance smart contract (LivepeerGovernor) that authorizes protocol upgrades and parameter changes via stake-weighted voting.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "HLS (HTTP Live Streaming)", "definition": "Apple's HTTP Live Streaming protocol that encodes video into multiple quality levels segmented into small files, delivered with an index playlist for adaptive bitrate playback.", "category": "video", "tags": [ "video" ] }, { "term": "Inflation Model", "definition": "The formula governing new LPT issuance each round, where the rate adjusts dynamically based on whether total bonded stake is above or below the 50% target bonding rate.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Job Lifecycle", "definition": "The sequence of stages from job submission through orchestrator selection, work execution, verification, and payment settlement.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Layer 1", "definition": "The base blockchain network (e.g. Ethereum) that validates and finalizes transactions without reliance on another network.", "category": "web3", "tags": [ "web3" ] }, { "term": "Layer 2", "definition": "A separate blockchain that extends a Layer 1 by handling transactions off-chain while inheriting security guarantees from the underlying chain.", "category": "web3", "tags": [ "web3" ] }, { "term": "LIP (Livepeer Improvement Proposal)", "definition": "A formal design document proposing a protocol change, new feature, or governance parameter adjustment for the Livepeer network.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Low-Latency", "definition": "A system characteristic where the delay between an event occurring and a response being delivered is minimised; in Livepeer, sub-500ms round-trip times are targeted for real-time AI video pipelines.", "category": "video", "tags": [ "video" ] }, { "term": "LPT (Livepeer Token)", "definition": "The ERC-20 governance and staking token of the Livepeer protocol, used for orchestrator selection via delegation, reward distribution, and network security.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Minter Contract", "definition": "The smart contract responsible for minting new LPT tokens during orchestrator reward calls and holding ETH collected from winning payment tickets.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Off-chain", "definition": "Activities occurring outside the main blockchain, typically for scalability, speed, or cost reasons, with results optionally settled on-chain.", "category": "web3", "tags": [ "web3" ] }, { "term": "On-chain", "definition": "Activities directly recorded and executed on the blockchain with full transparency and security guarantees.", "category": "web3", "tags": [ "web3" ] }, { "term": "Open Source", "definition": "Software distributed with its source code under a licence permitting study, modification, and redistribution; Livepeer's protocol, go-livepeer node software, and SDK libraries are all open source.", "category": "technical", "tags": [ "technical" ] }, { "term": "Orchestrator", "definition": "A supply-side operator contributing GPU resources, receiving transcoding or AI inference jobs, and earning ETH fees and inflationary LPT rewards.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "OSI Model", "definition": "The Open Systems Interconnection reference model that defines seven network layers (physical through application) as a conceptual framework for understanding protocol design.", "category": "technical", "tags": [ "technical" ] }, { "term": "Pay-per-Pixel", "definition": "Livepeer's pricing model where orchestrators are paid based on the total number of pixels transcoded, enabling granular and standardized cost comparison across different video resolutions and durations.", "category": "economic", "tags": [ "economic" ] }, { "term": "Payment Channel", "definition": "An off-chain mechanism where two parties conduct multiple transactions and only settle the final state on-chain, reducing per-transaction gas costs.", "category": "economic", "tags": [ "economic" ] }, { "term": "Per Pixel (Price Per Pixel)", "definition": "Livepeer's unit-based pricing mechanism where fees are calculated based on the number of pixels processed during a transcoding or AI inference job.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Per Round", "definition": "The Livepeer protocol's fundamental time unit, approximately equal to one day of Ethereum blocks; reward minting, activations, and delegator earnings accrue on a per-round basis.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Payment Tickets", "definition": "Signed data structures issued by a gateway to an orchestrator representing a probabilistic payment; only winning tickets are redeemable on-chain for their ETH face value.", "category": "economic", "tags": [ "economic" ] }, { "term": "Probabilistic Micropayments", "definition": "A lottery-based payment scheme where only winning tickets are redeemed on-chain, amortizing transaction costs across many small payments without requiring per-payment gas.", "category": "economic", "tags": [ "economic" ] }, { "term": "Proof-of-Stake", "definition": "A blockchain consensus mechanism where validators stake cryptocurrency as collateral to propose and validate blocks, replacing computation-intensive proof-of-work.", "category": "web3", "tags": [ "web3" ] }, { "term": "Quorum", "definition": "The minimum amount of participating stake required for a governance vote to be considered binding and valid.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Rebonding", "definition": "Re-staking tokens that are in the unbonding period to an orchestrator, canceling the unbonding process and returning them to active bonded stake.", "category": "web3", "tags": [ "web3" ] }, { "term": "Reward Call", "definition": "The on-chain transaction that an active orchestrator submits each round to mint and distribute new LPT inflation rewards to itself and its delegators.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Reward Cut", "definition": "The percentage of inflationary LPT rewards that an orchestrator retains before distributing the remainder to its delegators.", "category": "economic", "tags": [ "economic" ] }, { "term": "Round", "definition": "A discrete time interval defined in Arbitrum/Ethereum blocks during which staking rewards are calculated, the active set is determined, and protocol state is updated.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "RTMP (Real-Time Messaging Protocol)", "definition": "Real-Time Messaging Protocol for streaming audio, video, and data over TCP, commonly used on port 1935 for live video ingest from broadcast software.", "category": "video", "tags": [ "video" ] }, { "term": "Segment", "definition": "A time-sliced chunk of multiplexed audio and video data that is independently transcoded for parallel processing in Livepeer's pipeline.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Service URI", "definition": "The on-chain registered endpoint URL that gateways use to discover and establish a connection with an orchestrator node.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Session", "definition": "An active connection between a gateway and an orchestrator during which one or more jobs are processed within a continuous work period.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Slashing", "definition": "A penalty mechanism that destroys a portion of an orchestrator's bonded LPT for protocol violations such as failing verification, skipping verifications, or underperformance.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "SPE (Special Purpose Entity)", "definition": "A treasury-funded organizational unit with a defined scope, budget, deliverables, and accountability mechanism for executing specific ecosystem initiatives.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Stake-Weighted", "definition": "A mechanism where each participant's voting power, reward allocation, or selection probability is proportional to their staked token balance rather than equal per-participant.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Stake-Weighted Voting", "definition": "A governance voting system where each participant's vote weight is proportional to their bonded LPT stake.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Ticket Broker", "definition": "The TicketBroker smart contract that manages Livepeer's probabilistic micropayment system, holding gateway deposits and processing winning ticket redemptions.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Treasury", "definition": "The on-chain pool of LPT governed by token holders via the LivepeerGovernor contract, funded by a percentage of per-round inflation and used for community-approved ecosystem grants and development.", "category": "economic", "tags": [ "economic" ] }, { "term": "Unbonding", "definition": "The process of initiating withdrawal of bonded LPT from an orchestrator, which triggers a 7-round waiting period (thawing period) before tokens become liquid and withdrawable.", "category": "web3", "tags": [ "web3" ] }, { "term": "USD (United States Dollar)", "definition": "The official currency of the United States; used as the reference denomination for Livepeer gateway fees, grant amounts, treasury allocations, and market data.", "category": "economic", "tags": [ "economic" ] }, { "term": "Verification Mechanisms", "definition": "Protocol-level processes that confirm orchestrators performed transcoding or AI work correctly, including Truebit-style verification and probabilistic spot-checking approaches.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Warm Model", "definition": "An AI model that is already loaded into GPU memory and ready to serve inference requests immediately, without the cold-start latency of loading from storage.", "category": "livepeer", "tags": [ "livepeer" ] }, { "term": "Winning Ticket", "definition": "A probabilistic payment ticket whose random outcome meets the configured win probability threshold, entitling the orchestrator to redeem it on-chain for its ETH face value.", "category": "economic", "tags": [ "economic" ] } ] }