bookmark_border人工智能区块链项目 Fetch.ai 旧版 FET 代币需要在 3 月 31 日前进行退款操作

链闻消息,人工智能区块链项目 Fetch.ai (FET)宣布旧版 FET 代币持有人需要在 3 月 31 日前采取行动,可获得退款。持有人必须将旧版代币提取到钱包,并向 Fetch.ai 团队发送旧版代币的交易哈希值,退款将会在 4 月底进行。

原文链接:人工智能区块链项目 Fetch.ai 旧版 FET 代币需要在 3 月 31 日前进行退款操作

bookmark_borderOpenZeppelin 为其安全套件 Defender 推出智能合约监控和应急响应工具 Sentinels

链闻消息,以太坊技术服务商 OpenZeppelin 为其开发人员工具套件 Defender 推出智能合约监控和应急响应工具 Sentinels (哨兵),以帮助防止去中心化金融(DeFi)领域中持续的攻击和漏洞。随着新版本的发布,OpenZeppelin Defender 可以帮助团队检测到一些类型的攻击和异常行为,然后就会自动进行响应以减轻攻击。目前 OpenZeppelin 的 Defender 套件已经被很多 DeFi 团队使用,包括 Opyn、Synthetix、TheGraph、PoolTogether、Yearn.Finance、Foundation Labs 和 dYdX 等。

原文链接:OpenZeppelin 为其安全套件 Defender 推出智能合约监控和应急响应工具 Sentinels

bookmark_borderNew York grants Bakkt coveted BitLicense

Bakkt will also have a money transmitter license in the state of New York.

Bakkt has become the latest crypto firm to get a BitLicense.

This morning, the New York Department of Financial Services announced that Bakkt had become the 29th BitLicensee.

First granted to Paxos in 2015, the BitLicense is New York’s program for regulating virtual currency firms. With it, Bakkt will have new access to offer crypto trading in the financial center of the U.S.

The NYDFS also took the opportunity to plug its other crypto initiatives, including a techsprint that aims to find new ways of getting data from firms to regulators in real time. 

While New York’s regulation has a reputation for hawkishness, Manhattan’s status as a financial center continues to make access to the jurisdiction extremely attractive to businesses looking to engage in all sorts of trading activities. When PayPal was looking to get into crypto, the firm waited for New York’s first conditional BitLicense before making their plans public.

bookmark_borderWhat keeps Bitcoin price similar across different crypto exchanges?

Arbitrage plays a part in Bitcoin’s pricing in the crypto market, but that does not explain everything.

Bitcoin trades in countless locations across the globe, including on numerous exchanges. The asset, however, largely trades near the same U.S. dollar value across the market, aside from some countries’ outlying price action from time to time. How is this possible? 

Numerous trading products exist in the crypto space, including Bitcoin (BTC) futures and options, but how is the price of actual transactable BTC, called spot BTC, determined in the crypto market, especially given the vast number of exchanges?

“The price of BTC at any moment is really no more than a function of the price people are ready to buy or sell BTC at that time,” Justin d’Anethan, sales manager at Equos — a digital asset exchange under Diginex Group — told Cointelegraph. “That is why it will vary — very slightly — from one exchange to the other,” he explained, adding:

“Naturally, market makers and arbitrageurs will play off that difference and minimize it (selling when it’s higher; buying when it’s lower so that it naturally corrects). Often, data providers and exchanges themselves use an index as a base, which is composed of the current price monitored across a selection of different exchanges.”

Arbitrage is one aspect of the market that helps keep Bitcoin’s price similar across exchanges. If BTC trades at $50,000 per coin on one exchange and $60,000 on another, people would likely buy BTC for $50,000, send it to the other exchange, sell it for $60,000, and keep the profit of $10,000 per coin. A number of factors play into arbitrage, however, such as transaction timing, exchange restrictions and bots.

Filbfilb, a crypto analyst and trader, also sees arbitrage as a significant component in determining Bitcoin’s spot price on the market. “Generally speaking, arbitrage bots play a major role in eliminating pricing differences brought about by isolated volume,” he told Cointelegraph. “They effectively reward people who correct market price discrepancies, with profit,” he added. Filbfilb explained:

“A high volume dump on one exchange, A, which presses price down beyond that of exchange B, will see arbitrage participants buy the cheaper coins on exchange A and sell them at a higher price on exchange B. This will continue until price A and B are equalized and the opportunity is eliminated. Obviously, that is a simplistic example, but it’s going on literally all the time.”

Arbitrage opportunities have also existed between Bitcoin futures and spot trading, according to a strategy once mentioned by Bitcoin stock-to-flow model creator PlanB. The tactic essentially involves shorting BTC futures while purchasing spot Bitcoin.

Certain Bitcoin futures, such as those tradable on the Chicago Mercantile Exchange, sometimes trade above the asset’s price near the beginning of their contract periods, depending on the expiration, finding their way closer to the spot price of BTC by the time expiration comes around. This system depends on a number of factors, however, such as the length of the chosen Bitcoin futures contract.

“Buy orders and sell orders from participants across the globe determine the real-time price of Bitcoin,” Rob Levy, co-founder of Hxro — a crypto trading platform — told Cointelegraph. “The markets are all connected — from the spot markets to the derivatives markets (futures, options, swaps),” he said, adding:

“The most advanced market participants, often called liquidity providers or market makers, trade across all of the most active exchanges across the globe simultaneously. The advanced trading systems built by high-frequency traders monitor the order books on all of the major exchanges around the clock.”

Levy noted fast arbitrage as the force maintaining comparable BTC pricing on various crypto trading platforms.

Additionally, the CME’s BTC futures trading impacts the market price for spot Bitcoin, according to a report by Wilshire Phoenix, an investment firm. “The findings of Wilshire Phoenix […] indicate that CME Bitcoin Futures contribute more to price discovery than its related spot markets,” the report said.

The CME opened cash-settled Bitcoin futures trading in 2017. In tandem with its BTC futures, the Chicago trading entity uses the CME CF Bitcoin Reference Rate — a value for Bitcoin, taking into account data from exchanges on the BTC spot market.

Overall, although certain factors can play a part in standardizing Bitcoin’s price across exchanges, the asset derives its overall worth based on a number of rationales, including its role as a store of value.

bookmark_border佳士得拍卖行的首个 NFT 艺术品以近 7000 万美元成交

链闻消息,在英国拍卖行佳士得举办的拍卖会上,超现实艺术家 Beeple 创作的 NFT 艺术作品《Everydays: The First 5000 Days》以 6935 万美元最终成交。

Beeple 自 2007 年 5 月至今每天创作一幅画作,已积累了 5000 幅,该画作的起拍价格为 100 美元。此次拍卖是传统拍卖行首次提供基于区块链技术的纯数字艺术品(NFT 形式),并首次接受使用以太坊支付本金,溢价则以美元支付。

原文链接:佳士得拍卖行的首个 NFT 艺术品以近 7000 万美元成交

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