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The big challenge in blockchain is finding a balance between scalability and security. Nowadays, it is extremely difficult to create a fast blockchain with high security. See how Aptos solves this problem through its new &#34;parallel execution&#34; technology.<h2 id="header-0">What problem does Aptos solve?</h2>Currently, there are some projects that perform very well in terms of scalability and low fees like Solana (SOL). But after a period of use, it encountered a lot of DDoS attacks. Hackers created a lot of virtual transactions and pumped them into the Solana network. They pumped so much that it stalled and had to be restarted. Rebooting Solana&#39;s network isn&#39;t uncommon either. At least there were a few times when Solana encountered such a situation.Thus Aptos was created as a layer 1 blockchain, founded in February 2022, by former programmers at the unfinished Diem project. Aptos uses the Move programming language with the mission to create a scalable, high-speed blockchain that still ensures the necessary security. To that end, Aptos uses a technique called “parallel execution” to speed up transactions while keeping fees low.<h2 id="header-1">Advantages of parallel execution</h2>Compared with sequential processing, parallel processing of different transactions will optimize the multi-threading capabilities of today&#39;s chips, helping to make the most of performance and open up network scalability. better mesh. Making the most of the chip&#39;s threads will also directly affect the transaction processing speed of projects using the Parallel Execution mechanism. During times when transaction volume peaks, validators can allow more chip cores to work to process more transactions at once.Another advantage of this method lies in the improvement of latency when validating transactions. This is also based on making the most of hardware resources. Transactions will no longer need to queue for hundreds of blocks or pay expensive fees to be prioritized. Once the low latency of transaction validation is guaranteed, Parallel Execution opens the door to use cases that were not possible before.Better resource utilization, more processing and improved user experience are the 3 main ideas to summarize the advantages of Parallel Execution.<h2 id="header-2">“Aptos” parallel execution</h2>When deploying testnet, Aptos has claimed to be able to process over 130.000 transactions per second. By using the parallel execution engine (block-STM). Offers low transaction fees.Most current blockchains execute contracts, or transactions, sequentially. That means transactions have to queue to wait for their turn to be processed. Later transactions must wait for the previous transaction to be verified before their turn.With parallel execution, Aptos can run multiple threads at the same time. All transactions are processed immediately and validated afterwards. Error transactions will be aborted and re-executed.Aptos has separated the consensus mechanism from the execution process to optimize speed. Aptos also improved the HotStuff BFT engine to validate most transactions in just two transfers. This is much faster than the many rounds of voting that other consensus mechanisms require to securely validate transactions.Also to avoid hard fork, Aptos manages on-chain validators. This makes it simple to vote and perform upgrades with no downtime.<h2 id="header-3">How Aptos works based on parallel execution</h2>Aptos relies on parallel execution to process multiple transactions at the same time. This makes everything a lot quicker. Because a single failed transaction won&#39;t bring down the entire chain.Current blockchains arrange transactions like an endless road. Every time you make a transaction, it is added to a single long ledger containing every transaction ever made on the network and is continuously and fully updated for thousands of nodes.Because all transactions are added to a ledger. So the following transaction needs to wait for each previous transaction to be verified. This takes a long time and is the reason for the settlement speed of most blockchains. But this is the opposite of safe and easy to control.Theoretically parallel execution. Can handle multiple threads at the same time. Transactions can attempt to process multiple threads concurrently. Of course there are also some disadvantages to that. It makes things more complicated. It is also difficult to have a complete view of the transaction history.Aptos&#39; solution is to wait until the transaction dust settles and verify all chains at once. Validated transactions will be executed. While unsuccessful transactions will be &#34;re-executed&#34;.That&#39;s how Aptos works, execute first and check back later.<h2 id="header-4">Conclusion</h2>Does the &#34;parallel execution&#34; technology really work as well as it promises? Because in the past we have seen many blockchains with high speed having problems putting into practical use.Let&#39;s follow the development of Aptos in the near futureFollow forbitspace to not miss any interesting news &#x1f449;<a href="https://t.co/EWbAiOeCqR" rel="noopener noreferrer nofollow">http://</a><a href="https://t.co/EWbAiOeCqR" rel="noopener noreferrer nofollow">linktr.ee/forbitspace</a>

Aptos TPS With Parallel Execution

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