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Crypto for kids
When, in the spring of 2030, he almost incidentally invented the most terrible biological weapon known to humanity it took him about three seconds to realize that should his invention fall into the hands of one of the superpowers -- or into the hands of any common idiot, really -- it could well mean the end of the…
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How to create a private Ethereum network
Omar Metwally, MD University of California, San Francisco DDASH – Ethereum Operating System for Knowledge Creation and Sharing ============================================= Github repo…
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Class Breaks
There’s a concept from computer security known as a class break. It’s a particular security vulnerability that breaks not just one system, but an entire class of systems. Examples might be a vulnerability in a particular operating system that allows an attacker to take remote control of every computer that runs on…
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Crypto Tokens: A Breakthrough in Open Network Design
It is a wonderful accident of history that the internet and web were created as open platforms that anyone — users, developers…
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How I snatched 153k Ether after a bad Tinder date
Over the weekend, I did a lot of swiping right. I’ve never had a Tinder go this fast from match to agreeing on a date time this fast…
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Bitcoin, Ethereum, Blockchain, Tokens, ICOs: Why Should Anyone Care?
The Crypto market is gaining lots of steam. Gravity-defying price rallies…
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The China ICO Ban
Regulators in China imposed a blanket ban on ICOs over the long weekend. A number of people have reached out to me via email and Twitter asking me what I think about this. I think regulation of ICOs is inevitable and a good thing if done right (ie lightly). The SEC’s comments on ICOs back […]
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Zero-knowledge proofs, Zcash, and Ethereum
Part 3 of a series on “Privacy on the Blockchain”.
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Coinlist
Some interesting developments that we have been working on came public yesterday. Protocol Labs, a company that builds blockchain-based protocols laid out its ambitious roadmap and finally got around to announcing the seed investment USV and others made in it last year. My partner Brad Burnham wrote a blog post on…
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Cryptographic vulnerabilities in IOTA
Last month, Ethan Heilman, Tadge Dryja, Madars Virza, and I took a look at IOTA, currently the 8th largest cryptocurrency with a $1.9B…
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Cypherpunk Desert Bus: My Role in the 2016 Zcash Trusted Setup Ceremony
Update: taking this down for now until some questions about the deterministicbuilds are answered; currently I do not believe the Zcash trusted setup shouldbe...
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ICOs and VCs
The Brave browser team concluded an ICO for their Basic Attention Token yesterday in about thirty seconds. This led to this tweet: The Basic Attention Token (BAT) ICO just raised 30 million dollars in 24 seconds. VC’s didn’t even have time to put on a sweater vest. — briantobal (@briantobal) May 31, 2017 Of course…
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Hacker News is more interested in Bitcoin when there's a bubble forming
You might have got the impression that there are a lot of Bitcoin-related posts on Hacker News lately. With SegWit set to activate in the next few weeks, and Bitcoin Cash likely to fork off on the 1st of August, I took a look at Hacker News' relationship with Bitcoin over the past years.
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The Ethereum-blockchain size will not exceed 1TB anytime soon
Once a month users post a chart on `r/ethereum` predicting the blockchain size of Ethereum will soon exceed 1 TB. I want to clean up with some stories around the Ethereum-blockchain size in this article and try to explain why this chart is technically correct, but not the full picture...
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Stripe and Coinbase apparently can't find my Bitcoin
Update2: Stripe sent an update and it sounds like Coinbase will credit the BTC to my Coinbase account soon:
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Maybe we shouldn't skip SHA-3
David Wong writes about cryptography, security, and programming.
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‘Carbon Dating’ the Internet Archive with OpenTimestamps
tl;dr: You can now use our searchable database to download Bitcoin timestamps for items in the Internet Archive.