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About BIBIBI Daily Digest Privacy & Account Security

For information and learning only. Not investment advice. Crypto assets involve risk.

© 2026 BIBIBI

Glossary

Terms49 shown

Beta (Release)A testing phase in software development that follows alpha, in which the main functionality is operational but performance, usability, and security still require evaluation.
Chain AbstractionA design approach that simplifies cross-chain interactions, so agents and users do not need to handle the technical differences between multiple blockchains.
Closed (private) betaA software testing method made available only to a small group of invited users. A closed (private) beta.ง
Delay attacksAttackers intercept and slow the propagation of blocks or transactions without completely severing communication between nodes.
Fill Or Kill Order (FOK)The order must be filled in full immediately at the specified price or a better price; otherwise, the entire order is canceled, and partial fills are not allowed.
LatencyThe time delay between an input being received and the system producing the corresponding output.
Messaging protocolsTransmitting data and instructions between different blockchains, enabling an application on one chain to trigger operations on another chain.
Open (public) betaA software testing approach open to all interested users, enabling broad collection of feedback.
Volatility DecayRefers to leveraged tokens and leverage ETF The erosion of returns in volatile or range-bound markets caused by the combined effects of daily rebalancing and compounding, also known as beta slippage or volatility drag.
Wrapped Beacon ETH (WBETH)A liquid staking token representing staked ETH and its associated reward value.
beta releaseA release for further testing with a broader group of external users after major issues in the Alpha phase have been addressed.
beta slippageAnother term for Volatility Decay, describing the deviation and loss in returns caused by daily leverage resets and compounding in volatile markets.
beta testersExternal testers who are not part of the development team or company, responsible for identifying bugs and providing feedback from a real-world user perspective.
bid-ask spreadThe difference between the market's lowest ask price and highest bid price.
bodyThe rectangular portion of a candlestick represents the price range between the opening price and the closing price.
limit ordersAn order with the maximum purchase price or minimum selling price set by the trader; it can only be executed at that price or a better price.
off-chainIndicates that interactions or status updates are completed privately between participants rather than being recorded individually on the underlying blockchain.
payment channelsA common subtype of State Channel, primarily used for repeated transfers of value between participants.
release candidateA Beta version that is close to its final form and awaiting confirmation as to whether any major issues or errors remain.
Relay cross-chain bridgeA cross-chain bridge that forwards information between different blockchains and typically relies on a specialized network to provide shared security.
Mid-market rateThe midpoint between the bid price and the ask price, commonly found in currency converters or financial market data pages.
Bid-ask spreadThe difference between the highest price a buyer is willing to pay and the lowest price a seller is willing to accept.
Trading PairA combination representing the exchange relationship between two assets, in which one asset is denominated in terms of the other.
SpreadThe difference between the service provider’s cost of acquiring the currency and the selling price offered to users.
Blockchain bridgeA protocol that connects two blockchains and supports the interaction of assets or messages between them.
BodyThe thicker rectangular part of a candlestick, representing the price range between the opening and closing prices during that period.
Laspeyres indexAn index that uses base-period quantities as fixed weights to compare the change in the cost of the same basket between the base period and the current period.
Index InvestingTracking the combined performance of a portfolio or token composed of multiple crypto assets, rather than betting on a single asset.
Payment channelAn off-chain transaction channel established between participants; transaction results are settled on the main blockchain only when the channel is closed.
Yield curveThe relationship between the yields of bonds with different maturities; its long end primarily reflects the yield level of long-term bonds.
Futures Premium and Spot PremiumA term used to describe the relationship between commodity futures prices and their expected future spot prices; it can serve as a reference for trading, hedging, and arbitrage.
Exchange rateThe conversion ratio between two currencies, indicating how much quote currency can be exchanged for one unit of the base currency.
Attention mechanismThe attention mechanism is a key component of the Transformer, enabling the model to focus on relevant parts of the input text and capture relationships between words.
Premium IndexAn indicator reflecting the difference between a contract price and the spot price of the corresponding asset; one of the main factors in calculating the funding rate.
Slippage ToleranceThe maximum deviation between the actual execution price and the expected price that a trader is willing to accept.
Peer-to-PeerA method of direct communication between network participants used to support decentralized design.
Hot walletA wallet kept connected to the internet for convenience, better suited to everyday scenarios such as frequent transactions.
Cash settlementUpon futures expiration, cash is transferred based on the difference between the contract price and the market price of the underlying asset.
End-to-end encryption (E2EE)A method of protecting data while it is transmitted between two parties, although the recipient typically needs to decrypt it before processing it.
Federated cross-chain bridgeA cross-chain bridge in which asset transfers between different blockchains are approved by a group of trusted entities.
Beta coefficientA metric that measures an asset’s historical volatility and price movements relative to the overall market or a specified benchmark.
Beta (coefficient)Used to measure the volatility of an asset relative to a specific investment portfolio or market index.
Funding rateA fee paid periodically between long and short positions to help keep the price of a perpetual contract close to the price of the underlying asset.
Tracking errorThe deviation between an index fund’s actual performance and that of its target index.
Recursive InscriptionA mechanism that generates new inscriptions by retrieving and citing data from existing inscriptions, creating a continuous dependency relationship between their contents.
pegged exchange rateAn arrangement that maintains a target exchange relationship between the domestic currency and a reference currency or basket of currencies; the specific fluctuation band depends on the system adopted.
Limit orderAn order that may be executed only at the specified price or a better price; reaching the price does not guarantee full execution.
Prediction MarketsAn application scenario involving trading or betting on the outcomes of future events, whose settlement rules may serve as an exploitation point for a design flaw attack.
Risk-reward ratioAn indicator used before entering a position to estimate the ratio between potential upside and potential downside risk.

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Definition

Fill Or Kill Order (FOK)

The order must be filled in full immediately at the specified price or a better price; otherwise, the entire order is canceled, and partial fills are not allowed.

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