Blockchain Terms

Below is a list of blockchain terms added by us and by our readers. If you have a question about one of these terms and would like to know more, drop us a line. If you would like to add a term or think there is an error, we want to hear from you.



Blockchain Term Glossary

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Blockchain Terms

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
There are 11 names in this directory beginning with the letter H.
Reducing the number of Bitcoins generated per block as a calculated means of reducing the acquisition of a finite supply of Bitcoin. In other words, only 21 million Bitcoin can ever be generated and collected through mining. Every 4 years, the amount of reward is cut in half to reduce the supply created from mining efforts. This allows more control over "when" the asset will be completely mined. This is estimated to be in 2140.
Hard Fork    
Alters the blockchain data and how it is generated or mined on a public chain. This results in a split where a miner has to go one direction or another, not both. It is the creation of a new chain (coin) where the history of the new chain will no longer reflect the old chain from the time of the split. 
Hardware Wallet
A physical device for the storage of digital assets designed to connect online and also be disconnected to operate as a cold storage device.
Hash, or hashing, is the act of processing a function to interact with the chain and output data to the chain. Hashing is used to find new blocks in mining and output new data sets in order to confirm transactions on the blockchain.
Hash function    
A mapping function for data of any size or construct.
Hash Rate
This is the rate at which a device can process transactions. CPU, GPU and ASIC devices all perform hash rates, measured in hashes per second, at different speeds.
Hot wallet
Usually a piece of software on a personal phone, tablet or computer, a hot wallet is a digital storage device connected to the web. An exchange wallet is also considered hot because people can connect to it via the Internet. A hot wallet, because it is connected, is most at risk for hacking and digital asset theft.
Hybrid PoS/PoW
A hybrid model is both Proof of Stake (PoS) and Proof of Work (PoW). This creates a consensus distribution algorithm on the network that is both Masternode and Mining. In this method, a balance between miners and masternodes (aka - voters / holders) can be achieved thus creating a system of governance driven by the entire community.
The Linux Foundation started a project of open source blockchains termed the "Hyperledger". It is a collaboration effort to advance and promote blockchain technology across multiple industries. The intent is to unify companies and blockchain developers to construct blockchain frameworks impacting core business silos. The initiative is driven by multiple globally significant organizations.
Hyperledger Composer    
The Blockchain Application Development for Hyperledger. It is designed to make application development on Hyperledger Fabric manageable for developers across varied development platforms.
Hyperledger Fabric   
A permissioned blockchain infrastructure, Hyperledger Fabric is a modular architecture designed for the execution of "Chaincode" (Smart Contracts).
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