Several high-value bitcoin (BTC) transactions were included in a single block on June 30. Bitcoin Block Bot, a Twitter account dedicated to reporting significant bitcoin (BTC) transactions reported that 25 bitcoin transactions worth $6 billion were included in block 583,139 on June 30. Cryptocurrency news outlet AmbCrypto reported that all the transactions formed a bigger, linear transaction. Wallet 1 initiating the transaction sent 24,392.93062596 BTC to wallet 2, and 300 BTC to wallet 3. This last address received a total of 5,800 BTC, and was a receiving wallet in all 25 transactions. Wallet 2 also transferred 300 BTC to wallet …

A crypto company is launching an aggregated exchange that enables users to trade across multiple platforms while using a single account. TokenClub says its unified system is designed to tackle four problems currently facing the industry: convenience of trading, quality, costs and risks. The new service means access to platforms such as Bittrex, Binance and OKEx is streamlined and delivered in one place — with commission fees that are much lower than those seen on rival exchanges, the team says. A complementary crypto wallet has also been developed, which supports a range of digital currencies including Bitcoin, Ether, Bitcoin Cash, …

San Francisco-based incubator for the blockchain Ethereum Classic (ETC), ETC Labs, has announced that it will create a solution for Ethereum (ETH)/ETC interoperability in a collaboration with Metronome, in an official blog post on June 27. Per the announcement, blockchain interoperability—also referred to as “chainhopping”—is a property of a blockchain asset meaning that it can be transferred between separate blockchains. In this case, the cryptocurrency Metronome (MET) will be transferable between the ETH and ETC blockchains. The ETH and ETC blockchains initially split in the summer of 2016 after a contentious vote to return money lost when The DAO collapsed …

tZero, United States retail giant Overstock’s crypto subsidiary, has launched a digital wallet and exchange app for crypto, the company officially announced in a tweet on June 27. The firm calls its new mobile crypto app a hack-resistant solution for trading and storing cryptocurrencies, tZero CEO Saum Noursalehi said in a press release to Reuters. Noursalehi explained that the application will store private keys directly on users’ smartphones, which is expected to provide maximum security, in contrast to “more vulnerable, third-party exchanges for custody.” Moreover, tZero’s private key recovery system will allow users to restore their funds in case if …

Crypterium, crypto payment firm led by former Visa exec, has shipped about 4,000 crypto debit cards in a week since the launch of the card, according to a press release on June 27. Crypterium, an Estonia-headquartered fintech company, launched its Crypterium Card on June 12, offering global community a prepaid card loaded with major cryptocurrencies such as bitcoin (BTC), ether (ETH), litecoin (LTC), USD Coin (USDC), as well as Crypterium’s own CRPT token. As the company wrote in the announcement, the new bitcoin card operates “in the same way as a traditional prepaid card,” enabling online and in-store crypto purchases …

Ground X, the blockchain arm of South Korean tech giant Kakao, has launched the mainnet of its Klaytn platform, The Korea Herald reported on June 27. It is hoped that the platform, which focuses on decentralized apps (DApps,) will drive blockchain adoption in the country. Several major companies in the region are using the technology from launch, including LG. Han Jae-sun, Ground X’s chief executive, said the firms using Klaytn have a combined market value of $64.8 billion. Nine DApps are currently available on the platform, including a program that rewards diners for leaving restaurant reviews and another that incentivizes …

San Francisco-based payments company Square has just made bitcoin (BTC) deposits available on its Cash App on June 26 Cash App users will now be able to deposit bitcoins from external wallets into their app bitcoin address. According to Square’s announcement, deposits are limited to $10,000 worth of bitcoin in a seven day period. It also notes that transfers could take several hours to be confirmed on the blockchain. As noted by Coindesk, Square apparently made bitcoin deposits previously available for some users. Twitter user and self-proclaimed “Bitcoin Permabull” Dennis Parker recently claimed on June 25 that BTC deposits were …

On June 26, about $1.2 billion in binance coin (BNB) has been transferred in 1.1 seconds with a $0.015 fee on the binance chain, reveals data published on WhaleAlert, a platform tracking significant transactions. Earlier today, CEO of major cryptocurrency exchange Binance, Changpeng Zhao, warned that big transactions should be expected. He explained that the exchange intended to split its BNB cold wallet in multiple addresses. After the transaction took place, Zhao cited some data about its cost and speed: “This transaction: cost $0.015 USD in fees, took 1.1 seconds, and $1.2 BILLION in value transferred. The future is here.” …

Norway-based internet browser company Opera has launched the iOS version of its mobile web browser, Opera Touch, according to a press release shared with Cointelegraph. Opera Touch reportedly supports the Ethereum (ETH) protocol and the Ethereum Web3 application programming interface (API). This means that the browser accommodates Ethereum-based decentralized applications (DApps) and all ERC-20 tokens, stablecoins, and non-fungible tokens (NFTs). The browser also is said to feature a cryptocurrency wallet for storing Ether, the “Opera Crypto Wallet.” Opera released the Android version of its mobile browser at the end of 2018, which offers these same Ethereum-related capabilities. Opera Touch, however, …

Europol, in conjunction with the United Kingdom’s South West Regional Cyber Crime Unit, the Dutch police, Eurojust, and the U.K.’s National Crime Agency (NCA), has coordinated the arrests of six people suspected of stealing over $27 million in cryptocurrency, according to a press release on June 25. The attackers reportedly were involved in typosquatting, a fraudulent means to steal credentials by setting up a scam website with a similar name to an established one—hence the “typo” in “typosquatting”—and then recording login data. In this case, the report notes that Europol believes the hackers were able to use typosquatting to steal …

Facebook has started advertising for a head of data science to work on its Calibra wallet, a recent job posting shows. According to the tech giant’s vacancy, it is looking for an “experienced analytics leader” who can use data to drive insights, shape the wallet’s future direction, and measure product success. Understanding how users interact with the product and identifying opportunities is listed among the responsibilities. Leadership experience features among the minimum qualifications, along with at least eight years’ experience of quantitative analysis. Describing the perfect candidate, Facebook said they would be “scrappy, results-focused and self-starting” — as well as …

Much of digital assets’ appeal stems from the fact that many of them are not affiliated with or controlled by governments, central banks or transnational corporations (at least, not yet). The price paid for the independence from institutions of global capitalism, though, might sometimes be extremely high, as, in the event of cryptocurrency theft, there is no one to appeal to for recourse. Further still, the irreversible nature of blockchain transactions renders it extremely difficult to get the money back once its gone. The villains of the internet love cryptocurrencies for the same reasons. In the last few years, marked …