Attacking the DeFi Ecosystem with Flash Loans for Fun and Profit
TL;DR Flash loans are a recent blockchain smart contract construct that enable the issuance of loans that are only valid within one transaction and must be repaid by the end of that transaction. This concept has led to a number of interesting attack possibilities, some of which have been exploited recently (February 2020). We analyze those two existing DeFi flash loan attack …
Iota is still down a week later. Price is down 17%... but Zcash which has a functioning chain and real innovation is down 16%. I ate a big piece of carrot cake today, because carrots are super healthy.
Iota is still down a week later. Price is down 17%... but Zcash which has a functioning chain and real innovation is down 16%. I ate a big piece of carrot cake today, because carrots are super healthy.
DeFi Project bZx Exploited for Second Time in a Week, Loses $630K in Ether
The attacker manipulated price feeds in order to create and profit from an under collateralized loan.
When Options? Part 2
The above image has nothing to do with options. But it’s deep into ski season, and I’m loving the powder. I already spent a few thousand words talking about the crypto derivatives market structure. Now, let’s talk about 2020. Crypto Derivatives 2020 Roadmap While speculators’ needs are well met via the crypto delta one products on the market, there remain those who want to …
What the booming stock market means for bitcoin
With the US stock market humming along, the investment landscape is starting to feel a bit frothy. The four largest tech companies—Apple, Microsoft, Amazon, and Alphabet—are now worth a combined $4 trillion. And in the last couple weeks, the Nasdaq and Dow have set record highs. The strong market is delightful, but to the intelligent investor, the fresh highs mean something …
Proof-of-Stake is less wasteful
Three months ago, I tweeted out this image with the following caption:When someone says “Proof-of-Stake is less wasteful”Image of a diesel generator powering an EV charging station.The tweet was meant as a gag, but it spurred one of the most insightful conversations I’ve ever had on the platform. Since the discussion, my framework for thinking around this issue has changed …
Cryptos growing storage problem
Reports exposing potential security weaknesses in one major cryptocurrency wallet and one hardware chip used for storing cryptographic keys are a …
Crypto websites in 2010: Deposit BTC here. What is KYC? Crypto websites in 2015: Welcome all, except for Sudan, North Korea and the State of New York. Crypto websites in 2020: Welcome all [excluding US citizens].
Crypto websites in 2010: Deposit BTC here. What is KYC? Crypto websites in 2015: Welcome all, except for Sudan, North Korea and the State of New York. Crypto websites in 2020: Welcome all [excluding US citizens].
An Overview of the Crypto Wallet Landscape
Wallets are critical infrastructure for cryptocurrencies. Every crypto behavior — whether buying or selling crypto, hodling crypto, sending crypto, staking crypto, and more — relies on wallets in some fashion. Wallets are also the gateway to Web3 just like how web browsers are the gateway to the Web2 Internet. Given their importance, almost $400M of funding has gone to crypto …
Quality Market Data Signifies Digital Asset Market Maturation
ErisX is improving the digital asset experience by integrating digital asset products and technology into reliable, regulated and robust capital market workflows. Our innovative platform will uniquely enable trading of both spot and futures on a single infrastructure, creating price transparency and collateral efficiency in ErisX’s fully funded model.While addressing …
SEC Halts Alleged $1.7 Billion Unregistered Digital Token Offering
The Securities and Exchange Commission today announced that it has filed an emergency action and obtained temporary restraining order against two offshore entities conducting an alleged unregistered, ongoing digital token offering in the U.S. and…
Halo: Recursive Proof Composition without a Trusted Setup
Sean Bowe, an engineer and cryptographer at Electric Coin Company (ECC), has discovered a technique for creating practical, scalable and trustless cryptographic proving systems, ending an almost decade-long pursuit by the cryptography community.  It’s called Halo. A paper authored by ECC employees Sean Bowe, Daira Hopwood and Jack Grigg is available here. An …
Anyone who wants to understand cryptocurrency should start by reading up on money newyorker.com/magazine/2019/…
Adam [email protected] Anyone who wants to understand cryptocurrency should start by reading up on money newyorker.com/magazine/2019/…
Introduction to Nakamoto Terminal
A flexible data aggregation/analytics systemExample NTerminal Dashboard in SplunkNakamoto Terminal (NTerminal) is a data-neutral aggregation/analytics system. It is currently being used primarily for cryptofinance, but later will branch out into traditional finance and beyond. The system works to pull heterogeneous data types (supplemented with additional intelligence) into one …
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 …