Seed phrase - Bitcoin Wiki

ICO QuarkChain — whitepepper in theses.

Hello everybody. So, if you are reading, then to explain to you, than good QuarkChain there is no sense. Evaluations of the project and the Whippade do not give. The following text is intended to disassemble the white paper QuarkChain into separate abstracts in order to have a better chance to pass the planned quiz for participation in the ICO of this project. Go.
QuarkChain, then QC — 2 level architecture. • 1 level of the network — shards (auxiliary blockhouses), 2 level — root blockchain (root blockchain), in which transaction blocks from shards are confirmed. • The declared capacity of the block is 100,000 TPS (transactions per second) and more. • What is Sharding? The technique that came from database management when one large database was divided into several smaller parts. • The main problem of shading is the transactions between different shards and the problem of capturing an attacker 1 shard. • The configuration of shards can be changed without changing the root lock (2nd level) • At least 50% of the computing power of the block is given to the root locker, to prevent double spending and other attacks. • Each shard confirms its transactions independently of the others. Therefore, as the number of shards increases, the performance (TPS — the number of transactions per second) of the entire network increases. • The root algorithm is blocked by QC-PoW Prof of Work, the same as in the bitlock network. • Shard algorithm — based on PoW, but called root-chain-first PoW. Algorithms ASIC-resistant (can not be mined with the help of the asics). • The QC network architecture allows the miners to choose any shard and to engage in mining without the traditional mining for the bitcoin and etherium networks. Thus, a greater degree of decentralization of the network is achieved. • The QC ecosystem is based on stimulating the initiative of network participants. • Network tests were conducted on 18 nodes with 8 shards. • In this case, the network performance is 8X (8 times more) than the network with 1 block (without shards) blocks in different shards are formed evenly. • Block formation time in shards — 10 sec. Block root block time is 150 sec. • The frequency of forming blocks in the root block is 15 times longer than in shards. • To make an attack on the QC network, a minimum of 25% of the network capacity is required. • It is possible to reconfigure the processing power between the root block and shards. For example, if the root block system receives 100% of the computing power of the network, it becomes a standard block without shards. If shards get 100% of power, then the network will become a lot of independent blockers. • The root block does not confirm every single transaction of all shards, since it is not economically profitable. • The type is blocked — public (permissionless). • The QC network has a greater degree of decentralization than standard blockades without shards. • Scaling of the QC network is due to the increase in the number of shards. • QC offers decentralized horizontal network scaling. • QC allows the use of low-cost hardware (computers) that form a cluster that replaces the supernode (high-performance server). • For a high-performance network, like QC to keep a super-node can be quite not cheap. 1M transactions of 250 bytes = 2 GB per second, which becomes a significant barrier from the technical side. For 1 day, the traffic will be 20 terabytes of data or 7 Perabytes per year. I think here they have a typo in the vitalist, since there is only Petabyte and this is 1 and 15 zeros. Therefore, the preference in the network will receive clusters from individual nodes, rather than single supernodes, to distribute the load on the calculations, the traffic and the confirmation of transactions. • Effective transactions between shards. Confirm transactions in a few minutes. • Transaction time between shards increases in proportion to their number. The greater the number of shards, the longer the transaction confirmation time. • You only need 1 address (account) for all shards in the QC blockroom. • All tokens from different shards can be stored in 1 smart wallet. • There can be 2 types of accounts in the QC network: a. the main account is the address in the default shard (the default shard) b. Secondary account, which manages the remaining addresses in all shards • Most transactions are initiated from the main account, then the balance is temporarily transferred to the secondary account, if, for example, interaction with another shard or smart contract is required. And then the residual balance is returned to the main account after confirmation of the transaction. Thus, account management in all shards of the QC network is made from one main account. • This functionality will be supported by a smart wallet, which will be developed on the basis of an open source project. • For smart contracts, QC uses the virtual engine Ether — EVM (Etherium Virtual Machine). • Easy application migration (DAPPs) from the Ether network to the QC network. • Based on QC, you can build decentralized social networks, applications for email. commerce and trade with a high number of transactions, gaming applications, payment systems. • Unlike many existing
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What is Windows Bitlocker And How Does It Work ? - YouTube

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