ETH Weekly | Istanbul hard fork accepts 6 EIPs; Moscow establishes a blockchain system based on Ethereum (8.12-8.18)

Author | Qin Xiaofeng

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Produced | Odaily

1. Overall overview

1. Overall overview

At this week's Ethereum core developer meeting, it was decided to accept 6 EIPs (improvement proposals) in the first phase of the Istanbul hard fork; the other 8 EIPs will be carried out in the second phase, which is expected to be in the first quarter of 2020.

Second, the secondary market

Second, the secondary market

1. Spot market

1. Spot marketThe data shows that this week, the price of ETH once rose and fell to 175 USDT, and closed at 193.99 USDT during the week, a month-on-month decrease of 7%.

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(picture from Huobi)

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(data from AIcoin)

(data from AIcoin)

In terms of funds, the funds fluctuated greatly this week. The net outflow of funds was the largest on Wednesday, exceeding US$100 million; the net inflow of funds on Sunday was relatively high, exceeding US$15 million.

(data from Tokenview)              

(data from Tokenview)

Tokenview dataIt shows that the number of "above 5,000 ETH" transfers reached 266 this week, a month-on-month increase of 6%; the number of "above 10,000 ETH" and "above 50,000 ETH" transfers was basically stable.

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(more than 50,000 ETH transfers)Poloniex3. Ecology and technology

3. Ecology and technology

1. Development and technology

1. Development and technology

(1) The Istanbul hard fork will accept 6 EIPs in the first phase, and 8 EIPs will be carried out in the second phase

On August 15, Ethereum core developers finalized a list of 6 different improvement proposals (EIPs) that will be activated in the Ethereum Istanbul upgrade. As follows:

Another 8 EIPs were tentatively approved for the second part of the hard fork, focusing on the controversial ProgPOW algorithm, as follows:

The first phase of the Istanbul hard fork will take place in October this year, and the second phase is expected to be implemented in the first quarter of 2020. (CoinDesk)

(2) Ethereum test network Ropsten postponed

According to the previous plan, the Istanbul hard fork upgrade was planned to launch the Ethereum test network Ropsten on August 14, but in a conference call on Thursday, the core developer Péter Szilágyi pointed out that this goal needs to be postponed for two weeks to give developers Time to finalize the list of EIPs entering the first part of Istanbul. Since the core developers have just agreed to this list, Szilagyi said that activating Ropsten on September 4 may need to be reconsidered and postponed again. (CoinDesk)

(3) The researcher proposed the ttcX product, which aims to use the transaction cycle algorithm to solve the problem of insufficient liquidity of non-homogeneous tokens

The researcher proposed the ttcX product, which aims to use the trading cycle algorithm to solve the problem of insufficient liquidity of non-homogeneous tokens

(4) Connext 2.0, the second layer network of Ethereum, is launched on the testnet

Version 2.0 of the Ethereum two-layer network solution Connext has been launched on the test network. The contract is undergoing a security audit, and it is planned to launch the Ethereum main network during the ETHBerlin conference from August 23 to 25. Connext is based on the Counterfactual framework, which is a brand-new way of developing blockchain applications. It makes channels as modular as possible and minimizes transactions on the chain. Between the first recharge and the final withdrawal, other operations do not Need to rely on chain transactions. (Medium)

(5) Summa and Keep, the privacy protocol layer, initiate a cross-chain working group

Summa, a decentralized financial service provider, and Keep, a privacy protocol layer, jointly launched the "Cross-chain Working Group", hoping to realize the use of Bitcoin in the Ethereum ecosystem. The working group plans to launch an Ethereum-based test application this fall and launch the tBTC mainnet in the fourth quarter. (CoinDesk)

According to Github data, a new version of the programming language Solidity 0.5.11 for Ethereum smart contracts has been released. This version has updated many functions and can help developers fix wrong coding. (Github)

2.DEX

according toDAppTotal.com DEXThe data on the special page shows: 17 DEX projects based on the Ethereum network have been counted, and the transaction volume on the chain in the past week totaled 225,150 ETH (about 42.77 million US dollars), an increase of 20% month-on-month.

image descriptionDAppTotal.com DEX）

In the past week, the seven-day trading volume of the three major exchanges LedgerDex, Star-Bit, and DDEX grew the fastest, as shown below:

according toDAppTotal.com DEX）

3.Dapp

according toDappreview dataDappreview dataShitCoin, Dapps on the ETH chain added 9 Dapps this week, and the total number of developments reached 2313;

", with 935 daily active users in seven days, and 2,700 transactions in 24H. ShitCoin

4. Mining                             

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etherchain.org(Mining difficulty changes)

(Mining difficulty changes)

4. News

4. News

1. Moscow will build an Ethereum-based blockchain system for city administrative services

According to Open Media, Moscow’s Ministry of Information Technology has announced a tender for the development of an Ethereum-based infrastructure system to host electronic services currently provided to Muscovites. The estimated development cost is 57 million rubles, or about $860,000. (CoinDesk)

2. Monolith launched a new Visa debit card that can be paid with DAI

Ethereum-based banking alternative platform Monolith is issuing a new Visa debit card that will allow users to spend the stablecoin DAI at stores that accept Visa anywhere in the world. The debit card is currently only issued in Europe. (The Block)

3. PeckShield: There was an abnormal transaction fee of 111 ETH on the Ethereum network