FCA proposes ban on sale of crypto-derivatives to retail consumers
The Financial Conduct Authority (FCA) is proposing rules to address harm to retail consumers from the sale of derivatives and exchange traded notes (ETNs) referencing certain types of cryptoassets.
Bitcoin soars past $12,500 five days after hitting $10,000
Enlarge (credit: NASA/Bill Ingalls) Bitcoin has risen above $12,500, its highest level in 2019. The new milestone comes just five days after bitcoin rose above $10,000. Bitcoin's value has risen by almost a factor of four since last December, when the price bottomed out around $3,200. Bitcoin's price is still well below the all-time high of around $19,500 reached in …
Hit by Ransomware Attack, Florida City Agrees to Pay Hackers $600,000
Riviera Beach, Fla., authorized its insurer to pay a Bitcoin ransom to hackers who have paralyzed the city’s computer systems for three weeks.
Website for storing digital currencies hosted code with a sneaky backdoor
(credit: NoHoDamon) A website that bills itself as providing a safer way to store Bitcoin and other digital currencies has been using a coding sleight of hand to generate private keys that are suspiciously trivial for the operators to guess, leaving all funds stored in the wallets open to theft, researchers with a different service said on Friday. WalletGenerator.net …
Cryptofinance Takes Off for Inca Digital Securities With Splunk
Discover how Incas Digital Securities utilizes Splunk to bring cryptofinance analytics to financial firms and regulators.
Free Markets and the Future of Blockchain
J. Christopher Giancarlo is Chairman at U.S. Commodity Futures Trading Commission, the agency of the US government that regulates futures and options markets. This will be the last time I speak to you from the CFTC. Nevertheless, before I go, I wanted to share some thoughts, which I have been saving. My five years at […]
NYSE Owner Buys Crypto Custodian in Latest Push to Offer Bitcoin
Intercontinental Exchange (ICE), which owns the New York Stock Exchange, made a splash last August with big plans to get into the Bitcoin business. Those ambitions, however, have been stymied by regulatory delays, leading ICE on Monday to announce a series of measures to jumpstart its efforts. Most notably, ICE has acquired a crypto custodian service called Digital Asset …
More reasons why mix-ins are privacy theater. Mixing with other TXs won't work if someone can cheaply spam fake mix-ins. New paper argues this is true for Monero. Exact price is disputed, but ~10kUSD/year to break ~50% of TX's privacy. Remember, Chainalysis is watching twitter.com/MihailoBjelic/… Quoted tweet from @MihailoBjelic: Pretty 🔥 paper on Monero traceability. Researchers propose an attack that takes advantage of Bulletproofs and floods the network with cheap transactions which remove mixins from tx inputs. - $1,746 for a 12-months attack 😱 - up to 47.63% inputs traced eprint.iacr.org/2019/455.pdf https://t.co/iBPkUho10d
Ian [email protected] More reasons why mix-ins are privacy theater. Mixing with other TXs won't work if someone can cheaply spam fake mix-ins. New paper argues this is true for Monero. Exact price is disputed, but ~10kUSD/year to break ~50% of TX's privacy. Remember, Chainalysis is watching twitter.com/MihailoBjelic/… …
The leading “stablecoin” is no longer backed by $1 for every coin
Enlarge (credit: Marco Verch / Flickr) A New York judge has ordered Bitfinex, a cryptocurrency exchange that shares a parent company with the "stablecoin" Tether, to turn over a bunch of documents to New York Attorney General Letitia James. James announced the order in a Thursday press release. She also unsealed her office's legal filings requesting the order. Those …
Blockstack’s Reg A+ Filing and the Future of Token Offerings​
Zachary Fallon, a former SEC staffer and author of the Reg A JOBS Act crowdfunding rules and a principal at Blakemore Fallon, discusses Blockstack’s filing for a token offering under Reg A+, what that means for the security status of the tokens and what types of investors the company can raise from. We also talk about several of the particulars of the Blockstack filing, such as …
When Lightning STARKs
Scaling Payments with STARKsTL;DR: StarkPay, a payment scalability engine based on STARK technology, addresses many of the drawbacks of Lightning, the Layer-2 payment solution.Photo by Cade Roberts on UnsplashStarkWare’s first application of STARK technology is Layer-2 scalability engines. We’ve recently announced StarkDEX, a scalability engine for DEXes (with some exciting …
Three Minutes With Adam Zarazinski, Co-Founder Of Inca Digital Securities
"People fixate on market cap when they try to analyze crypto projects but that is misleading.  It's like judging the quality of Justin Bieber's music based on the number of Twitter followers he has," said Adam Zarazinski, Co-Founder and CEO of Inca Digital Securities. "If you want to figure out value and volatility, traditional factors largely don't apply to crypto." Inca …
Algorithmic Trading in Crypto
We explore the design and implementation of trading algorithms in the crypto space. In particular, we focus on execution algos, market making algos, and several market microstructure considerations. We also investigate where practice diverges from theory, especially in handling the idiosyncrasies of the crypto markets.Execution AlgosThe objective of an execution algo is to …
Introducing P4: Private Periodic Payment Protocol
Least Authority has recently designed a protocol called the Private Periodic Payment Protocol, or P4, which aims to define the way in which subscription services can be funded using end-to-end private cryptocurrency payments. P4 incorporates the use of Zcash shielded transactions for private payments and leverages the Tor anonymity network’s onion services to radically …
Digital exchange loses $137 million as founder takes passwords to the grave
Enlarge (credit: Jakub T. Jankiewicz / Flickr) A cryptocurrency exchange in Canada has lost control of at least $137 million of its customers’ assets following the sudden death of its founder, who was the only person known to have access the the offline wallet that stored the digital coins. British Columbia-based QuadrigaCX is unable to access most or all of another $53 …
Despite Bitcoin’s Dive, a Former Soviet Republic Is Still Betting Big on It
Tax breaks, land deals and cheap energy have spurred cryptocurrency mining in Georgia, which wants to be a digital data leader.
Bitmain Bets on Computing Power-Sharing Platform BitDeer to Save Itself
From a failed IPO attempt to massive layoffs and shutting down many mining operations, China-based cryptocurrency mining giant Bitmain experienced difficult times during the second half of 2018 which witnessed the crypto market downturn. The Beijing-headquartered company now seems to bet on a new initiative— a computing power-sharing platform—to shore up its struggling mining …
New Attack Against Electrum Bitcoin Wallets
This is clever: How the attack works: Attacker added tens of malicious servers to the Electrum wallet network. Users of legitimate Electrum wallets initiate a Bitcoin transaction. If the transaction reaches one of the malicious servers, these servers reply with an error message that urges users to download a wallet app update from a malicious website (GitHub repo).User …