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Sveinn Valfells
Sveinn Valfells

175 Followers

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Feb 18, 2020

Standing on the shoulders of Vitalik

Celebrating the five year anniversary of Ethereum — Science and technology are endless frontiers, magical lands of discovery and innovation which welcome and reward the curious and unprejudiced. In late 2013, almost five years after the launch of Bitcoin, Vitalik Buterin outlined a design for a new type of distributed ledger. Unlike Bitcoin which is designed primarily to…

Blockchain

4 min read

Standing on the shoulders of Vitalik
Standing on the shoulders of Vitalik
Blockchain

4 min read


Nov 28, 2019

Crossing past the crevasses

A tribute to a trailblazer — For the past months the snowline has been creeping down the mountains to the north of Reykjavík. Earlier in November, the city woke up to a few inches snow which have since disappeared, but the white capped mountains to the north confirm that winter is here, and from time to…

Travel

8 min read

Crossing past the crevasses
Crossing past the crevasses
Travel

8 min read


Apr 7, 2019

Flaws in fiat make a lasting revival for Bitcoin likely

Over the weekend a friend of mine sent me a link to a recent article in the Economist, “Flaws in Bitcoin make a lasting revival unlikely”. Reading the article brought about a deep feeling of déjà vu. In the wake of MtGox closing in the winter of 2013–2014, I debated…

Bitcoin

3 min read

Flaws in fiat make a lasting revival for Bitcoin likely
Flaws in fiat make a lasting revival for Bitcoin likely
Bitcoin

3 min read


Jan 5, 2019

Standing on the shoulders of Satoshi

For Isaac Newton, it was, allegedly, an apple falling off a tree that provided him with the inspiration to describe the laws of gravity. …

Bitcoin

3 min read

Standing on the shoulders of Satoshi
Standing on the shoulders of Satoshi
Bitcoin

3 min read


Dec 6, 2017

Bitcoin miners now use as much power as Massachusetts — and will need more

Bitcoin miners now use as much power as the state of Massachusetts. But they are very profitable and, in the near term, they will probably need more. Let’s consider why. The energy consumed in Bitcoin mining protects the Bitcoin blockchain against hacking, it’s a deflector shield if you will, a…

Bitcoin

3 min read

Bitcoin

3 min read


Aug 24, 2016

Block reward halving raises barriers to Bitcoin mining

The price of bitcoin barely changed when the Bitcoin block reward halved in early July, unsurprisingly as the reduction was long anticipated. Transaction volume, mining capacity and transfer fees remained roughly the same, to the casual observer the halving had no impact on Bitcoin. A closer examination reveals, however, that…

Bitcoin

3 min read

Block reward halving raises barriers to Bitcoin mining
Block reward halving raises barriers to Bitcoin mining
Bitcoin

3 min read

Sveinn Valfells

Sveinn Valfells

175 Followers

https://sveinn.valfells.com

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