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过去三年，ETH的供应量增加了4000万

以太坊总供应量自2016年以来几乎翻了一番，现在已达到1.07亿以上，远远高于2016年的7200万。目前的供应量比V神此前的预期还多出近1000万，V神曾在2017年表示， “在可预见的未来，供应量不会远高于1亿。”V神表示，预计供应和实际供应之间的这一显著差异可能是因为:“难度炸弹的任何延迟也应该尊重ETH供应增长曲线。”但事实并非如此，与一年前相比，ETH的发行预期差了15亿美元。这是因为尽管“难度炸弹”已经被推迟了两次。如果不延迟，那么开采ETH将会更加困难，因为难度将会逐渐增加，这意味着可以找到更少的区块。今年每区块奖励从3ETH降低至2ETH，预计每天大约新增1.4万个ETH。

Ethereum’s total supply has close to doubled since 2016, with it now at above 107 million eth, up from ◊72 million in 2016.

The current supply (pictured above) is about ◊10 million more than Vitalik Buterin, ethereum’s co-founder, estimated would be reached in 2025.

Even for the yer 5000, Buterin said in 2017 that ethereum’s supply would reach only ◊103,862,556.

That’s missing the mark by quite a bit, with Buterin back then stating “in the foreseeable future, the supply will not go far above 100 million.”

◎内容来源：https://www.trustnodes.com/2019/08/29/40-million-eth-added-to-supply-in-the-past-three-years

2、企业发展

波音加入Hedera Hashgraph管理委员会

航空航天巨头波音公司已加入面向企业的公共区块链网络Hedera Hashgraph的管理委员会，成为其第10个成员。其他成员包括金融服务提供商FIS Global、Tata Communications、Nomura Holdings和IBM等公司。

Aerospace giant Boeing has joined the governing council for Hedera Hashgraph, a blockchain-like network for enterprises, CoinDesk has learned.

The Chicago-based aircraft and satellite manufacturer became the 10th member of Hedera’s governing council Thursday, joining the likes of financial services provider FIS Global, Tata Communications, Nomura Holdings and IBM.

Each member of the council runs its own node operating the hashgraph, and when the network’s open access launch takes place next month, these companies will also be able to use the Hedera Consensus Service, allowing members to plug private networks into the public network to take advantage of its transaction ordering system.

Hedera also claims that its distributed ledger technology can facilitate micropayments and distributed file storage and support smart contracts.

Hedera announced earlier on Thursday that it would begin distributing its HBAR tokens, a process that is expected to take 15 years. The company raised $124 million through three rounds of funding using a simple agreement for future tokens (SAFT) framework. Roughly 1,000 participants in the SAFT rounds will receive the first distribution of HBAR tokens.

◎内容来源：https://www.coindesk.com/boeing-becomes-latest-member-of-hedera-hashgraphs-governing-council?utm_source=twitter&utm_medium=coindesk&utm_term=&utm_content=&utm_campaign=Organic%20

3、专业分析

欧洲央行：稳定币易受监管不确定性的影响

8月29日，欧洲央行发布了一份专门讨论稳定币的新论文，将稳定币描述为数字价值单位，它不是任何特定货币的形式，而是依赖一套稳定工具，以尽量减少价格波动。欧洲央行表示，由于缺乏监管的不确定性，具有明确治理框架的稳定币可能会受到阻碍。具体而言，欧洲央行概述了四种主要类型的稳定币，包括那些被规定为代币化资金的稳定币、链下抵押稳定币、链上抵押稳定币和算法稳定币。根据欧洲央行的数据，目前至少有54个稳定币项目，其中24个正在运营。稳定币的总市值从2018年1月的15亿欧元增加到了2019年7月的43亿欧元，几乎翻了两番。

Stablecoins with a clear governance framework may be hampered by the uncertainty of the lack of regulation, according to the European Central Bank (ECB).

Four major types of stablecoins outlined

On Aug. 29, the ECB released a new paper devoted to stablecoins, which it describes as digital units of value that are not a form of any specific currency but rather rely on a set of stabilization tools in order to minimize fluctuations in their price.

The ECB’s paper is called “In search for stability in crypto-assets: are stablecoins the solution?” and proposes a classification of stablecoins based on different key concepts used to keep their value stable. Specifically, the ECB outlined four major types of stablecoins including those specified as tokenized funds, off-chain collateralized stablecoins, on-chain collateralized stablecoins and algorithmic stablecoins.

54 stablecoins totally $4.8 billion in July 2019