The speed at which blocks are added to Solana’s blockchain requires additional levels of security for the blockchain. This speed allows for increased scalability since the environmental and monetary costs of Solana’s systems are lower. Since the entire point of blockchain technology is to provide decentralized systems, Solana attempts to process transactions at speeds akin to a large, centralized company like Visa while maintaining the decentralization of Bitcoin. Bitcoin, on the other hand, Routledge says, “processes transactions very slowly” to remain decentralized.
For example, Visa uses a huge network of computers to keep its processing speed on track. Routledge points out that trying to process transactions quickly usually requires centralization. The reason for this combination of protocols, Bryan Routledge, associate professor of finance at Tepper School of Business at Carnegie Mellon University, says Solana is trying to “process lots of transactions quickly.” Solana works on a combination of proof-of-history and delegated proof-of-stake protocols. This keeps the chain relatively decentralized while simultaneously allowing for faster, more secure computations. This innovative system allows validators on the blockchain to vote on the timestamps of different blocks in the chain. Unlike proof of work, which uses the miners themselves to define the next block in a chain, or proof of stake, which uses staked tokens to define the next block, proof of history uses timestamps in its definition of blocks for the Solana chain. What Makes Solana Unique?īy using a unique blend of proof of history and delegated proof of stake, Solana offers exponentially faster transaction speeds than its closest competitors, Ethereum and Cardano (ADA), at a fraction of the cost, Anissimov says by using a unique blend of proof of history and delegated proof of stake. While the speed with which the Solana platform performs computations allows for increased scalability.
SOL’s proof of history algorithm provides unique security for the network. Solana, however, is designed to address two parts of the trilemma: security and scalability. In essence, Solana addresses two out of three issues identified by Ethereum co-founder Vitalik Buterin in his blockchain trilemma of scalability, security and decentralization.Īlthough Buterin originally claimed Ethereum would address all three aspects of this trilemma, most experts believe the network only addresses two factors: security and decentralization. The history algorithm adds a layer of security to the network, says Christian Hazim, analyst at ETF provider Global X. Solana brings users several advantages with its delegated proof-of-stake mechanism. Delegated proof-of-stake is a variation of the more traditional proof-of-stake algorithm.įor those who need a refresher, the proof-of-stake mechanism is a process of transactions for creating new blocks in a blockchain using a system of validators. Powered by its unique combination of proof of history and what’s referred to as delegated proof-of-stake algorithms, the main problem Solana was attempting to solve was Ethereum’s scalability issues. Solana’s Delegated Proof of StakeĪccording to Konstantin Anissimov, chief operating officer at crypto exchange CEX.IO, Solana uses “a mixture of time-tested cryptographic strategies and fresh innovations to address the shortcomings of crypto’s first-wave solutions.” Staked tokens are held as collateral by the blockchain until validators reach a consensus about the chain’s next block. Unlike the earlier proof-of-work mechanism, proof of stake uses staking to define the next block. This is one reason why Ethereum converted to a proof-of-stake system, reducing energy consumption by 99.9%. However, this proof-of-work system is slow and resource-heavy, leading to the use of tremendous amounts of energy. Proof of work uses a consensus mechanism that relies upon miners to determine what the next block will be. Most early cryptocurrencies, such as Bitcoin and Litecoin, use a proof-of-work algorithm to define the blocks in their chains. This algorithm uses timestamps to define the next block in Solana’s chain. The Solana blockchain uses a proof-of-history consensus mechanism. The token’s real value is in conducting transactions on the Solana network, which has unique advantages. Solana is a blockchain with striking similarities to Ethereum-in fact, it’s often referred to as an “Ethereum killer.” Like Ethereum, the SOL token can be purchased on most major exchanges.
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