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Founded by Jaynti Kanani, Sandeep Nailwal, and Anurag Arjun, and formerly known as "Matic," Polygon is a combination of PoS (Proof-of-Stake) and the Plasma framework. The Layer 2 (L2) scaling platform bridges ways between multiple blockchain networks making data transfer and value straightforward. Plasma is a specific framework for easily creating decentralized applications that can interact seamlessly with each other.

An SPV proof is effectively comprised of a list of block headers demonstrating proof of work and also a cryptographic proof that an output was created in one of the blocks in the list. An SPV proof, or simplified payment verification proof, is a DMMS (dynamic-membership multi-party signature) that an action occurred on a Bitcoin sidechain.

We thus initiate the study of distributed, fault-tolerant, oblivious data access. We show that, in failure-prone deployments, such a centralized and stateful proxy results in violation of oblivious data access security guarantees and/or in system unavailability. A now-long line of work has shown that, even when data is offloaded in an encrypted form, an adversary can learn sensitive information by analyzing data access patterns. We present SHORTSTACK, a distributed proxy architecture for oblivious data access in failure-prone deployments. Many applications that benefit from data offload to cloud services operate on private data. SHORTSTACK achieves the classical obliviousness guarantee - access patterns observed by the adversary being independent of the input - even under a powerful passive persistent adversary that can force failure of arbitrary (bounded-sized) subset of proxy servers at arbitrary times. We provide a formal proof that SHORTSTACK enables oblivious data access under this model, and show empirically that SHORTSTACK performance scales near-linearly with number of distributed proxy servers. Existing techniques for oblivious data access - that protect against access pattern attacks - require a centralized and stateful trusted proxy to orchestrate data accesses from applications to cloud services. We also introduce a security model that enables studying oblivious data access with distributed, failure-prone servers. For further information, please see our paper.

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Drivechains intend to utilise sidechains such that they are child sidechains of a parent chain, which would be the Bitcoin blockchain. Central to the sidechain architecture proposed by Drivechain is the 2-way peg, crypto which would allow for the movement of bitcoins from the Bitcoin blockchain to a sidechain and back.

Matic is valuable because it strives to solve the scalability and usability issues while not compromising on decentralization and leveraging the existing developer community and ecosystem. With key features in scalability, speed, user experience, security, public side chains, and low transaction fees, btc Matic is unique in its technical approach towards Layer 2 solutions. Currently priced at $1.05 and having partnered with some notable names in the sphere like The Graph, OKEx, and Aavegotchi, Matic seems to be an attractive buy with a strong future ahead given its continuous development.

These rewards are mainly meant to jump-start the network. Polygon's market cap is $6.74 billion. In anticipation for the launch of its mainnet, MATIC hit an all-time-high of $2.45 in May when many other cryptocurrencies were on a downtrend. MATIC trades on 95 exchanges with the top exchanges being Coinbase, Binance, and FTX. To ensure that the network is seeded well enough until transaction fees gain traction, Matic allocates 12 percent of its total supply of 10 billion tokens to fund the staking rewards. It ranks at 18 in the charts with a circulating supply of 6,424,735,804 out of its total. However, in the long run, the protocol is intended to sustain itself on the basis of transaction fees.

imageEach data structurestructure -- indeed, each block -- specifies its own availability and integrity properties, allowing Charlotte applications to retain the full benefits of permissioned or permissionless blockchains. Blockchains offer a useful abstraction - a trustworthy, Binance decentralized log of totally ordered transactions. We call this open graph of interconnected blocks a blockweb. Traditional blockchains have problems with scalability and efficiency, preventing their use for many applications. These limitations arise from the requirement that all participants agree on the total ordering of transactions. If you have any inquiries with regards to where and how to use cryptocurrency, you can speak to us at the web page. We demonstrate the viability of Charlotte applications with proof-of-concept servers running interoperable blockchains. In Charlotte, a block can be atomically appended to multiple logs, allowing applications to be interoperable when they want to, without inefficiently forcing all applications to share one big log. Using performance data from our prototype, we estimate that when compared with traditional blockchains, Charlotte offers multiple orders of magnitude improvement in speed and energy efficiency. We allow new kinds of blockweb applications that operate beyond traditional chains. To address this fundamental shortcoming, we introduce Charlotte, a system for maintaining decentralized, authenticated data structures, including transaction logs.

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