Proof of Stake
What is proof of stake in blockchain technology? The proof of stake consensus model was proposed in 2012 in response to the substantial amount of electricity and energy required to mine a single block under the proof of work model.…
Proof of Work
What is proof of work in blockchain technology? Proof of work is a consensus model in blockchain technology that requires miners to solve computationally difficult math problems in order to add new blocks onto the blockchain. These functions produce data…
SegWit
Segregated Witness, or SegWit, Segregated Witness, BIP141, was intended to increase bitcoin blockchain speed by to mitigating a blockchain size limitation. SegWit was to prevent nonintentional bitcoin transaction malleability, transmit optional data transmission, and bypass some protocol restrictions including block.…
Smart Contracts
What are smart contracts? A smart contract is a computer protocol intended to digitally facilitate, verify, or enforce the negotiation or performance of a contract. Smart contracts permit trusted transactions and agreements to be carried out among disparate, anonymous parties…
Stablecoin
Stablecoins maybe privately issued cryptocurrency or algorithmic or “non-collateralized/decentralized” stablecoins such as DAI, an algorithmic stablecoin issued by MakerDAO.
Suspicious Activity Report (SAR)
A Suspicious Activity Report (SAR) is a document that financial institutions must file with their Financial Intelligence Unit (FIU) whenever there is a suspected case of money laundering or fraud. These reports are tools to help monitor any activity within…
Suspicious Transaction Report (STR)
A Suspicious Transaction Report (STR) is a document that financial institutions must file with their Financial Intelligence Unit (FIU) whenever there is a suspected case of money laundering or fraud. These reports are tools to help monitor any activity within…
Transaction Graph
A transaction graph is a visual representation of one or more transactions and the addresses that sent and received bitcoins. A transaction graph can show how money is transferred between users and intermediate services such as hosted wallets, exchanges or…
Transaction ID
A transaction is a record in the bitcoin blockchain that records the movement of bitcoins, or portions of them, from one address to another. Transactions are uniquely identified by a transaction ID. A transaction has one or more outputs. Transactions…
Unhosted Wallet
In their Interpretive Letter #1172, the Office of the Comptroller of the Currency (OCC) defines an unhosted as "one where an individual owner of a cryptocurrency maintains control of the cryptographic keys for accessing the underlying cryptocurrency.” Also sometimes referred…