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DigiByteCoin
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The people's blockchain. $DGB
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Proof of Work. $DGB
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What is #MultiShield? Dynamic Difficulty Adjustment MultiShield adjusts the mining difficulty for each of DigiByte’s five algorithms independently after every block (approximately every 15 seconds). This ensures that block timings remain consistent, targeting an average of 15 seconds per block. Protection Against Mining Fluctuations It prevents network instability caused by sudden surges or drops in mining power, such as when large mining pools (multi-pools) join or leave the network. By recalculating difficulty in real-time, MultiShield avoids scenarios where the blockchain could “freeze” due to excessively high difficulty after miners exit. Support for MultiAlgo Activated via a hard fork in December 2014 (block 400,000), MultiShield extends DigiShield’s protections to all five mining algorithms. Each algorithm accounts for roughly 20% of block production, ensuring no single algorithm dominates and enhancing decentralization. Enhanced Security By balancing difficulty across multiple algorithms, MultiShield makes it harder for malicious actors to attack the network. Even if an attacker controls significant hash power in one algorithm, they can only mine a maximum of 20% of blocks, reducing the risk of a 51% attack. Industry Impact MultiShield is an evolution of DigiShield, which was pioneered by #DigiByte in February 2014 and adopted by over two dozen blockchains, including Dogecoin, Zcash, and Bitcoin Cash. MultiShield’s multi-algorithm approach is unique to $DGB, further distinguishing it.
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What is #DigiShield? DigiShield is a real-time difficulty adjustment algorithm introduced by #DigiByte in February 2014. It dynamically adjusts the mining difficulty after every block (approximately every 15 seconds) to ensure consistent block times. Purpose - Prevents large miners or mining pools from exploiting sudden drops in network hash rate, which could allow them to mine blocks too quickly and destabilize the network. - Maintains DigiByte’s target block time of 15 seconds, ensuring fast transaction confirmations. - Protects against attacks, such as 51% attacks, by rapidly increasing difficulty if a surge in hash power is detected. How It Works - DigiShield monitors the time taken to mine each block and adjusts the difficulty based on recent block times. - If blocks are mined too quickly (e.g., due to a sudden influx of hash power), the difficulty increases. If blocks are too slow (e.g., miners leave the network), the difficulty decreases. - This adjustment is more responsive than Bitcoin’s difficulty adjustment, which recalculates every 2016 blocks (~2 weeks), making $DGB less vulnerable to hash rate fluctuations. Impact - Enhances network stability and security by preventing “difficulty lag” exploited in other blockchains (e.g., early 51% attacks on single-algorithm chains). - Adopted by other cryptocurrencies, including Dogecoin, Zcash, and Vertcoin, due to its effectiveness. Significance DigiShield was a pioneering innovation in 2014, addressing a key weakness in proof-of-work (PoW) blockchains by enabling rapid difficulty adjustments.
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Tick tock another block. 🔵 $DGB
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