Aaron van Wirdum

On a typical blockchain, all participants check all transactions. This level of transparency can offer much security, as public verification ensures no single participant can cheat any of the others. But it is not great for privacy.For ...

There is a chance Bitcoin will experience a coin-split soon. If a majority of miners (by hash power) switch to Bitcoin Unlimited and decide to mine blocks bigger than one megabyte, while at least some users stick to the current Bitcoin ...

Bitmain, the major Chinese ASIC producer, has launched a third mining pool: ConnectBTC opened to the public today. AntPool and BTC.com already belong to the Bitmain group of mining pools. This new pool is part of Bitmain’s Israeli ...

Although it is hard to say how big the chance actually is, Bitcoin Unlimited miners may soon start mining bigger blocks. If they do, they will diverge from the current Bitcoin protocol to split off to a new blockchain. This could also ...

Bitcoin could soon split in two. If Bitcoin Unlimited miners start mining blocks exceeding one megabyte, these would be rejected by full Bitcoin nodes like Bitcoin Core and Bitcoin Knots. This could result in two different and ...

There is a chance Bitcoin will experience a coin-split soon. If a majority of miners (by hash power) switch to Bitcoin Unlimited and decide to mine blocks bigger than one megabyte, while at least some users stick to the current Bitcoin ...

Since most altcoins are based on Bitcoin’s codebase, upgrades to Bitcoin are often relatively easy to implement in altcoins. Indeed, as Segregated Witness (SegWit) is slow to activate on Bitcoin, several altcoins are taking a stab at ...

If a Bitcoin Unlimited hard fork leads to a coin-split, major bitcoin exchanges will list coins on that branch as a new asset: BTU.Earlier this week, the world’s largest mining pool, AntPool, announced it would switch all its hash power ...

For over a year, attackers have had the ability to crash Bitcoin Unlimited and Bitcoin Classic nodes. Yesterday, someone actually did it. According to websites like Coin Dance, the number of Bitcoin Unlimited nodes fell sharply from ...

The COIN ETF is a no-go.Almost four years in the making, in a highly anticipated verdict published earlier today, the U.S. Securities and Exchange Commission has rejected the the Winklevoss Bitcoin Trust exchange traded fund (ETF). An ...

TumbleBit, one of the most promising privacy advancements built on top of Bitcoin, will be implemented in the upcoming Breeze Wallet.The Breeze Wallet is a bitcoin wallet in development by blockchain startup Stratis, scheduled for ...

Ethereum Classic is preparing another hard fork. It was announced in statements published last week that the project’s development and mining community is committing to a change in its monetary policy by December of this year. ...

Today marks the official release of Bitcoin Core 0.14.0, the fourteenth generation of Bitcoin’s original software client launched by Satoshi Nakamoto eight years ago. Overseen by Bitcoin Core lead maintainer Wladimir van der Laan, this ...

Just when Bitcoin’s long-lasting scalability dispute appeared to have reached a deadlock, a pseudonymous mailing-list contributor may have presented a way out.Segregated Witness (SegWit), the Bitcoin protocol upgrade proposed by the ...

Some of the most popular Bitcoin services on the internet may have leaked sensitive user information, including passwords.Cloudflare is a popular content delivery network that effectively acts as a sort of digital shield, a proxy that ...

Bitcoin was never really anonymous, and it seems the Danish police have caught on to that fact. According to reports by Danish newspaper Berlingske, law enforcement in the Scandinavian country has figured out how to apply blockchain ...

Not everyone loves the latest draft of the Winklevoss Bitcoin ETF proposal.The (prospective) Winklevoss Bitcoin Trust, also known as “COIN,” filed new documents to the U.S. Securities and Exchange Commission (SEC) last week. Leading up ...

Satoshi Nakamoto’s math doesn’t quite add up.In chapter 11 of the Bitcoin white paper, the pseudonymous author explained that an honest mining majority will always outrun a dishonest minority. As a key innovation in digital currency, ...

The price collapse of “black gold” locked Nigerians into their economy. Now, “digital gold” is providing some Nigerians with a way out.Only three years ago, crude oil cost over $100 a barrel. But that peak came tumbling down. Throughout ...

TumbleBit is probably one of the most promising technological advancements built on top of Bitcoin to date. Not only does it offer one of the best — if not the best — privacy related innovations so far, it can also provide significant ...

It appears the United States Postal Service is determined not to be the courier of choice for drug dealers any longer.Judging by a recent job listing sent to the information security community, the United States Postal Inspection ...