When a group controls over 50% of a blockchain network's mining power, potentially allowing them to double-spend coins or prevent transactions.
Confirmation that a transaction has been received and processed by the network, ensuring its inclusion in the blockchain or ledger.
A secure cryptocurrency wallet isolated from internet connections to protect private keys from online threats and unauthorized access.
A fictional character often used in examples or explanations to represent a participant in a blockchain or cryptocurrency transaction.
A bitcoin feature that enhances transaction fees estimation and flexibility by creating additional small outputs specifically designed for fee bumping in the Lightning Network.
Application Programming Interface: A set of rules and tools allowing software applications to communicate and interact with each other, often used in fintech.
The top layer in software architecture where end-user applications interact with underlying protocols to perform functions like transactions or data processing.
Atomic Multipath Payments (AMP) enable large transactions by splitting them into smaller, independent parts sent over different paths, ensuring complete or no transfer.
Autopilot is a Lightning Network feature that automatically manages channel connections and balances to optimize payment routing and network efficiency for users.
Financial support or reserves provided to maintain Bitcoin's value, often involving assets or investments to ensure stability and trust in the cryptocurrency.
The Bank Secrecy Act (BSA) requires financial institutions to assist the government in detecting and preventing money laundering and fraud through record-keeping and reporting.
The foundational blockchain protocol where transactions are processed and recorded, ensuring security and decentralization for cryptocurrencies like Bitcoin.
Base58 is an encoding scheme used in Bitcoin to convert binary data into a human-readable format, avoiding characters that look similar.
These channels allow two parties to send and receive cryptocurrency back and forth without recording each transaction on the blockchain, ensuring faster processing.
A unique alphanumeric string used to receive Bitcoin transactions, functioning like an account number for sending and receiving digital currency.
Bitcoin Bitvm is a protocol enabling smart contracts on Bitcoin without requiring changes to Bitcoin's consensus rules, leveraging off-chain computation for enhanced functionality.
Bitcoin block reward: New bitcoins given to miners for validating a block.
Storing Bitcoin offline to protect it from online hacks and unauthorized access, typically using hardware wallets, paper wallets, or other physical methods.
A borrower uses Bitcoin as security for a loan, where failure to repay may result in losing the Bitcoin to the lender.
Bitcoin Core is open-source software that implements the Bitcoin protocol, enabling users to participate in the Bitcoin network by validating transactions and blocks.
Fees paid to miners for processing Bitcoin transactions, ensuring timely confirmation and incentivizing network security and maintenance.
A Bitcoin fork is a blockchain split creating two separate chains, often due to differing rules or opinions on Bitcoin’s protocol upgrades.
Bitcoin Improvement Proposal (BIP) is a standardized document outlining new features, processes, or information to improve the Bitcoin network functionality or operations.
Layer 2 solutions are secondary frameworks built on Bitcoin, enhancing scalability and speed by processing transactions off the main blockchain while maintaining security.
Belief that Bitcoin is the only true cryptocurrency worth investing in or using, dismissing all other cryptocurrencies as inferior or unnecessary.
Process of validating Bitcoin transactions using computing power to solve complex mathematical problems, adding blocks to blockchain, and earning new bitcoins as a reward.
A computer connected to the Bitcoin network that uses Bitcoin software to verify transactions and blocks, maintaining a complete copy of the blockchain.
Bitcoin Ordinals refer to a method for numbering and assigning a unique identity to individual satoshis, enabling tracking or added metadata on the Bitcoin blockchain.
Bitcoin's supply schedule is the predetermined rate at which new bitcoins are created and released until the maximum supply of 21 million is reached.
It's an order to automatically buy or sell Bitcoin when it reaches a predetermined price, optimizing trading strategies and minimizing manual monitoring.
A collection of transactions recorded on a blockchain, validated by the network, and linked to previous transactions to ensure security and immutability.
A decentralized digital ledger that records transactions across multiple computers, ensuring security and transparency without the need for a central authority.
It's the first block created in a blockchain, serving as the foundation for all subsequent blocks and transactions within the network.
Blockchain interoperability enables different blockchain systems to communicate, exchange data, and work together seamlessly, enhancing connectivity and functionality across diverse platforms.
A slowdown in transaction processing caused by an overwhelming number of transactions exceeding the network's capacity, leading to delays and increased fees.
Scalability-Security-Decentralization (SSD) problem refers to the challenge of achieving all three aspects effectively in a blockchain network without sacrificing one for another.
Bob is a common term used to refer to a party receiving cryptocurrency in transactions, typically in examples or explanations.
Bolt is a checkout technology platform that simplifies online payments by providing a seamless, secure, and fast shopping experience for customers and merchants.
Bridge Protocol connects different blockchain networks, allowing seamless transfer of assets, data, or tokens between them, enhancing interoperability and flexibility.
Centralized Finance refers to financial services managed by a central authority or institution that controls user assets and transactions, unlike decentralized systems.
CBDC is a government-issued digital currency representing a nation’s official currency, designed to be secure, efficient, and a digital alternative to cash.
A centralized exchange is a platform where cryptocurrencies are traded and managed by a central authority, offering user-friendly interfaces and higher liquidity.
Temporary blockchain reordering when nodes receive a longer valid chain, replacing previous blocks to maintain consensus with the most extended version.
In Bitcoin's Lightning Network, it's a two-party link that manages off-chain transactions, reducing congestion and fees on the main blockchain.
The amount of funds available in each direction of a payment channel in the Bitcoin Lightning Network, ensuring efficient transaction routing.
The maximum amount of cryptocurrency that can be transferred within a payment channel before needing to close or rebalance it.
A method for efficiently managing payment channels that enables multiple transactions by creating and closing channels without interacting with the blockchain every time.
Managing communication or transaction pathways to optimize service delivery, efficiency, and customer experience in cryptocurrency networks or financial technology platforms.
Channel rebalancing in Bitcoin's Lightning Network involves adjusting the funds across payment channels to ensure efficient transaction flow and avoid liquidity issues.
The minimum balance required in a payment channel to ensure funds cover potential fees and prevent channel closure due to insufficient balance.
Validation where data is verified on the user's device ensuring security and privacy without relying on central servers or third-party services.
Coin Days Destroyed (CDD) measures Bitcoin transaction activity by considering both the amount and the holding duration of transferred coins.
In Bitcoin's Lightning Network, it is a pre-signed transaction ensuring parties can settle balances on-chain if payment channels close, preserving fund safety.
A measure of how easily digital currency or financial transactions flow through a network, indicating efficiency and speed.
Agreement among network participants on the validity of transactions or data, ensuring security and integrity in blockchain and cryptocurrency systems.
The process of completing financial transactions between parties in different countries, often facilitated by blockchain or digital currency to reduce time and cost.
Cross-chain and multichain involve enabling interactions and transactions between different blockchain networks, allowing data and assets to move seamlessly across them.
Crypto BaaS offers financial services like cryptocurrency transactions and management through APIs, enabling businesses to integrate crypto solutions without direct infrastructure.
Blind signing is a cryptographic process where a signer cannot see the document's content, ensuring privacy and integrity during digital transactions.
Proof of Reserves is a method ensuring a digital asset custodian holds sufficient assets to cover user deposits, enhancing transparency and trust.
A digital tool that securely stores cryptocurrency private keys, enabling users to send, receive, and manage their digital assets like Bitcoin or other cryptocurrencies.
A text or notification sent to users to verify their identity or transaction details when using cryptocurrency wallets for security purposes.
A bank that supports cryptocurrency transactions and services, allowing customers to buy, sell, and use digital currencies with ease and compliance.
The process of distributing control and decision-making from a central authority to a network of independent participants.
A unique, self-sovereign digital ID allowing users to control personal information without relying on centralized authorities, enhancing privacy and security online.
Hierarchical Deterministic Wallet (HD Wallet) is a cryptocurrency wallet that generates all keys and addresses from a single seed, ensuring easy backup.
Bitcoin's network automatically changes the mining difficulty roughly every two weeks to ensure a block is mined approximately every 10 minutes.
Digital currencies, tokens, and other blockchain-based assets that can be owned, transferred, or used in online transactions and electronic commerce.
A digital wallet securely stores personal identification information on electronic devices, allowing user verification and authentication for online transactions and services.
A digital code generated by public key encryption used to verify the authenticity and integrity of a digital message or transaction.
A distributed system organizing data across multiple nodes for efficient storage and retrieval, using hash functions to allocate and locate data items.
It refers to the period when a cryptocurrency wallet or account has no activity or transactions for an extended time.
Occurs when a digital currency is spent more than once due to issues like network delay or fraud, undermining trust in transactions.
The minimum transaction amount below which a transaction is considered uneconomical due to fees, often used to prevent spam on the Bitcoin network.
Eltoo is a Bitcoin protocol proposal ensuring smooth, simple channel updates by replacing old states with new ones using a single transaction structure.
Encryption uses algorithms to transform data into a secure format, ensuring only authorized parties can access the original information, crucial for digital security.
A trusted third party holds and releases funds or assets to parties involved in a transaction once specific conditions are met.
A secondary cryptocurrency address used if the primary address becomes inaccessible, ensuring funds can still be accessed or transactions completed.
A fee is a charge by a service provider for processing transactions or using a platform, often seen in cryptocurrency exchanges and fintech services.
It calculates the optimal transaction fee needed for timely processing based on current network congestion and historical fee data in blockchain systems.
National money declared legal tender by a government, but not backed by a physical commodity like gold or silver.
These are services that allow users to convert traditional currency into cryptocurrency and vice versa, facilitating entry and exit from digital economies.
An insurance-like financial product ensuring that a company or individual fulfills obligations, protecting against losses from fraudulent acts or non-compliance.
Transaction completion ensuring it cannot be reversed or altered, providing certainty and trust in digital financial networks like blockchain or payment systems.
Nodes share information about network topology and channel states to keep the network updated and synchronized.
A graph is a visual representation of data showing relationships between entities, often used to track cryptocurrency transactions or financial trends.
Graphene is a blockchain technology framework designed to improve scalability and efficiency, commonly used in platforms like BitShares and Steem.
Graphical User Interface: A visual interface allowing users to interact with software through graphical elements like buttons and icons instead of text-based commands.
A physical device that securely stores cryptocurrency private keys offline, protecting them from online threats and enabling secure transactions.
A hash function generates a fixed-size string from input data, ensuring data integrity by producing unique outputs for distinct inputs in blockchain technology.
Hash rate measures the computational power per second used to mine and process transactions on a blockchain, indicating network strength and security.
A hop is a single step or transaction in a multi-step blockchain or network path, used to obscure the source or destination.
Hash Time-Locked Contract is a smart contract that ensures a transaction occurs within a set time, using cryptographic hash functions for security.
A set of personal credentials used to verify a person's identity in digital transactions or blockchain networks, ensuring security and authenticity.
It is the ability to receive funds through a payment channel, reflecting the available balance that others can send to you.
Interoperability is the ability of different financial systems or technologies to work together, share data, and conduct transactions seamlessly across platforms.
A document detailing goods or services provided, payment terms, and total amount due, often used in cryptocurrency transactions for record-keeping and payment requests.
ISO 20022 is a global messaging standard for financial transactions, improving communication between financial institutions by providing a common language and structure.
JavaScript Object Notation Remote Procedure Call is a protocol for remote communication using JSON to send requests and receive responses between a client and server.
Key management involves securely creating, storing, distributing, and revoking cryptographic keys to protect digital assets and ensure secure transaction processes in fintech.
