I’m moving off the tumblr platform. Not all articles are ported yet, though. New address is: oleganza.com .
UPDATE (AUG 9, 2019): the described proposal has some significant flaws. A more secure proposal is discussed here: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-August/017229.html ...
Lets start with whole numbers. We will use lower-case letters for numbers. Here is a number: A = 42 We will also use points on some elliptic curve. Points are simply pairs of very large n...
Some miners are worried about the fees. What if blocks remain small and most transactions are cleared on the Lightning Network — miners will earn very little while the block reward is quickly c...
After some miners declared a hard fork war on Bitcoin to give miners power over the block size, anonymous Bitcoin developer shaolinfry declared a soft fork war in response (so called “user-acti...
Computer science and applied cryptography in particular, has a hierarchy of building blocks, where higher-order blocks are composed of lower-order blocks. Roughly, the hierarchy looks like this...
The word “anarchy” simply means rejection of a notion that any human being (or group thereof) can be a kind and wise despot to rule all other human beings. However, many people think “anarc...
Security of the internet gets attention from two angles: security of client-server connections (think TLS) and end-to-end encryption for personal communications (PGP and modern messaging services...
Time is not easily measured in money. It’s rather money that can be measured in time. Time is not fungible, money is. Yesterday’s missed opportunity not necessarily comes back today, even i...
Some people feel bad about Bitcoin being harder to scale than any successful centralized system such as Myspace or Altavista. They often claim that “I signed up for a P2P Electronic Cash Syste...
The problem with “voting by coins” is that most coins do not vote. This leaves a small fraction of UTXO to actually vote which is not representative and highly volatile since anyone risking t...
First, it is VERY EASY to prove if you are Satoshi: Take the key from genesis block or from transaction paying to Hal Finney. Sign a message that includes your meatspace name, your relation to Bi...
Yesterday I was bored and tweeted that people flood reddit and blogs with concerns about the block limit in order to buy as many coins as possible before July’s halving that will trigger a hu...
Ok, here’s a rant in favor of so-called “bitcoin maximalism”. TL;DR: Bitcoin will win the “cryptographic gold” title and every other altcoin imaginable will die. All fancy features li...
“Segregated witness” (“segwit”) is a proposed feature to improve transaction mutability, enable smooth script upgrades and double Bitcoin capacity by moving signature scripts out of the t...
— Would you like to know why it is called “Bitcoin”? Jane touched her glasses to show she’s preparing for one of those lengthy and passionate discussions. She sipped her orange juice an...
Илья Бирман все правильно написал , но не до всех дошло о чем. ЗАДАЧА: избежать наезда на велосипедиста, ко...
The purpose of the blockchain is to help those who are interested to continuously establish global consensus on an ever-growing dataset without trusting any authority and assuming presence of act...
Yesterday I’ve been talking about multisig transactions: what they are, what are use cases and how we can build an awesome super-secure Bitcoin storage solution. Video: https://www.youtube.co...
Сайт Бит-Новости переводит и публикует довольно много моих статей. Переводы довольно вольные и местами до...