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Ethereum (ETH) has launched its first pre-release for the zero phase of the network transition to Ethereum 2.0, according to a new post published in the Ethereum github on Jan. 31.
The message states that "this marks the first publication of a series of weekly publications until February 2019. Phase 0 of v0.1 is relatively complete and almost stable."
Ethereum 2.0, also known as Serenity, should be the latest upgrade of the system, as the entire network goes from a work proof consensus algorithm to a consensus validation algorithm. Issue, and addresses fundamental issues such as scalability, economic purpose and security.
Serenity is therefore the last in a series of four stages defined in the platform's roadmap; At present, the network is in its third stage (Metropolis). It includes two system-wide forks, Byzantium and Constantinople, both designed to pave the way for Ethereum 2.0. The latter was recently delayed due to a vulnerability issue detected in mid-January.
Commenting on today's first pre-publication for Serenity, co-founder of Ethereum, Vitalik suggested it was "almost an almost complete feature for Casper". As noted, Casper FFG – which stands for Casper's Friendly Finality Gadget – was first released in October 2017 as a PoS-PoW hybrid consensus model designed to strengthen economic purpose and security. .
Other PoS solutions for Ethereum 2.0 include the Sharding extensibility feature, which splits transaction processing between smaller node groups to increase blockchain throughput.
In addition to the first pre-release of Ethereum 2.0, a new test network, dubbed "Gorli", went live yesterday and will test a key sharing client for Serenity, called Prysm.
For developers, testnet provides a simulated version of the main network that allows them to try smart contracts or upgrades without having to pay "gas" for their execution.
Gorli – an open source initiative built by the community – should play a key role in synchronizing other important Ethereum customers such as Parity, Geth, Nethermind, Pantheon and EthereumJS.
As stated, the vulnerability discovered last month in the hard range of Constantinople could have allowed reentrancy attacks via the use of certain commands in ETH smart contracts. The critical issue was first detected by the intelligent contract audit firm ChainSecurity.
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