What Is Dash Cryptocurrency?
Dash (formerly known as Darkcoin and XCoin) is an open source peer-to-peer cryptocurrency. On top of Bitcoin’s feature set, it currently offers instant transactions (InstantSend), private transactions (PrivateSend) and operates a self-governing and self-funding model that enables the Dash network to pay individuals and businesses to perform work that adds value to the network. Dash’s decentralized governance and budgeting system makes it a decentralized autonomous organization (DAO).
Unlike Bitcoin’s single-tier network, where all jobs on the network are performed by miners, Dash utilizes a two-tier network. Certain network functions, such as creating new blocks, are handled by the miners. The second tier of the Dash network consists of “masternodes” which perform PrivateSend, InstantSend, and governance functions.
Masternodes require 1000 DASH as collateral to prevent sybil attacks. That collateral can be spent at any time, but doing so removes the associated masternode from the network. Because masternodes provide vital network functions, the block reward is split between miners and masternodes, with each group earning 45% of the block reward. The remaining 10% of each block reward funds the “budget” or “treasury” system.
PrivateSend is a coin-mixing service based on CoinJoin, with numerous modifications. These include using masternodes instead of a single website, chaining by mixing with multiple masternodes, restricting the mixing to only accept certain denominations (e.g.: 0.01 DASH, 0.1 DASH, 1 DASH, and 10 DASH, etc.), and passive mode. The maximum allowed for a PrivateSend transaction is 1000 DASH.
Later iterations used a more advanced method of pre-mixing denominations built into the user’s cryptocurrency wallet. The implementation of PrivateSend also allows masternodes to submit the transactions using special network code called DSTX, this provides additional privacy to users due to the deadchange issue present in other CoinJoin based implementations such as DarkWallet and CoinShuffle.
In June 2016, DarkSend was rebranded to PrivateSend.
In its current implementation it adds privacy to transactions by combining identical inputs from multiple users into a single transaction with several outputs. Due to the identical inputs, transactions usually cannot be directly traced, obfuscating the flow of funds. PrivateSend makes Dash “fungible” by mixing the coins in the same denomination with other wallets, ensuring that all coins are of the same value.
InstantSend is a service that allows for near-instant transactions. Through this system, inputs can be locked to specific transactions and verified by consensus of the masternode network. Conflicting transactions and blocks are rejected. If a consensus cannot be reached, validation of the transaction occurs through standard block confirmation. InstantSend solves the double-spending problem without the longer confirmation times of other cryptocurriencies such as Bitcoin.
What Is Dash Cryptocurrency Conclusion
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