User contributions for Robertsdotpm

05:1305:13, 3 January 2025 diff hist +3,594 N Hashcash for proving set membership Created page with "Algorithms like merkle trees and bloom filters allow you to take a group of data items and construct a unique fingerprint of the set. The fingerprint can then be used as a way to prove that some or all members in the group are part of that “fingerprint.” These constructs are useful and you seem them used a lot in blockchains. The issue for me with these data structures is really the size of the meta data relative to the set size: Bloom filters suck because they only..."
05:1205:12, 3 January 2025 diff hist +12,605 N Exploit markets Created page with "'''Update: 19/02/2017''' - added discussion on hacker news. I also added an example. '''Update: 21/02/2017''' - added discussion of obfuscated exploits, early disclosure penalties, incentives, and scalability** ----- Bug bounties suck. Researchers routinely don’t get paid for their work and vendors continue to get away with the same shitty behavior. It’s a system that lacks any kind of accountability and only benefits the company. Solution: Do it as a smart cont..."
05:1105:11, 3 January 2025 diff hist +3,280 N Events are arbitrary Created page with "When I first got into Bitcoin my main area of interest was in smart contracts. I used to marvel at how the blockchain could be used to eliminate trust between people and I’d despair whenever an OP_CODE was removed (making the former harder to do.) But that’s only because I didn’t understand one subtle quality of how a blockchain works: '''events are arbitrary.''' The blockchain really only has two qualities worth mentioning: # It can securely order events on a ne..." current
05:1105:11, 3 January 2025 diff hist +37,888 N Esim Created page with "Try pandoc! Hello world pandoc --from markdown --to mediawiki Convert from markdown Input clear No file chosen If you've ever used a SIM card before then, you already know you need one to place calls. But what you might not know is a SIM card is actually a fully functional computer, complete with its own RAM, "disk space", and operating system [uuic-hw-spec][uuic-sw-spec]. The latest SIMs are called "USIMs" and they are universal integrated circuit cards (UICC) prog..."
05:0905:09, 3 January 2025 diff hist +20,064 N Dumb contracts Created page with "'''Update: 7/12 -''' I merged the discussion of datachains into a separate article which is now here: http://roberts.pm/datachain. ----- When I first entered the Bitcoin space the term “smart contract” had a very specific meaning: it was any transactional protocol built on top of Bitcoin whose basic functionality did not have to depend on trusting a third-party. In other words, a smart contract had the same requirements for trust as Bitcoin did – that the result..." current
05:0805:08, 3 January 2025 diff hist +3,302 N Digital life Created page with "I consider blockchains to be of independent interest to biologists as the first example of a single-celled digital life form that embodies all 7 characteristics necessary to establish life. '''1. Living things are composed of cells.''' The blockchain consists of a number of cells called “blocks” that contain everything the organism needs for its survival. Survival is ensured by issuing incentives to humans for energy (necessary for metabolism), therefore blockchain..." current
05:0605:06, 3 January 2025 diff hist +1,301 N Decentralized-virus-scanner Created page with "A game of war for decentralized threat detection: * One side plays the attacker * The other side plays defence * The field is a virtual machine * The ombudsman is software that monitors the VMs health * The ombudsman is concerned with what has happened to the VM * Are key system files damaged? * Have files been locked / crypted by malware? * Are certain network resources hijacked? * Attackers submit vectors to disrupt the VM * Defenders submit vectors to protect the VM..." current
05:0505:05, 3 January 2025 diff hist +7,209 N Datachain Created page with "Future '''decentralized autonomous systems (DAS)''' will likely be focused on distributing specialized AI agents for finding patterns in bulk data sets. These DAS will be funded with a pre-existing cryptocurrency like Bitcoin and then pegged to the entity in such a way that the assets can be given out as rewards for correct solutions without human intervention. The resulting system forms a decentralized, autonomous, peer-to-peer, client-to-client, '''datachain''' that re..." current
05:0505:05, 3 January 2025 diff hist +2,258 N Crossroads Created page with "A few years back I was tasked with designing a smart commodities exchange using blockchain tech and IoT sensors as a data feed. At first I considered designing a regular exchange but our company wasn’t focused on financial services and this would have meant having a lack of resources available to dedicate towards security after launch. In the end I wasn’t comfortable with the idea of launching an under-staffed, centralised exchange, potentially responsible for stori..." current
05:0405:04, 3 January 2025 diff hist +7,138 N Conman Created page with "I’ve recently started a consulting business that specializes in blockchain technology and so far its been going quite well. There’s all the usual highs and lows of running a business: “this will never work”, “this is completely hopeless”, “we’re getting no customers”, “we got 1 million leads today” … to the more mundane stuff like the clients wants us to clone Google in 2 hours for a fraction of the cost of a cup of coffee. But today I noticed som..." current
05:0305:03, 3 January 2025 diff hist +9,100 N Coin archiving Created page with "'''Update: 7/12/2017 -''' There is an elegant approach to the fee problem raised bellow by designing the virtual transaction overlay so that anyone can submit them by paying the Eth fees themselves in order to claim a fraction of the simulated currencies (perhaps as part of the virtual mining process.) The fee idea was raised by someone else, but its possible to adapt it and use it here to make the whole system work as intended. ----- Recently someone over at /r/ether..." current Tag: Visual edit: Switched
05:0305:03, 3 January 2025 diff hist +635 N Coinbend Created page with "When I first created my decentralized exchange I wrote a whitepaper that introduced several new concepts. * Green addresses (a way to do blockchain key management with high security – https://keys.casa uses the same technique.) * Crypto-asset trading with minimal trust and only standard transactions (using micro-payment channels) * Time-locked refunds without nLockTime (using https://roberts.pm/timechain) * Peer-to-peer networking (using https://github.com/StorjOld/py..." current
05:0105:01, 3 January 2025 diff hist −101 Atomic cloud storage No edit summary current Tag: Visual edit
05:0105:01, 3 January 2025 diff hist +22 N File:2.png No edit summary current
05:0005:00, 3 January 2025 diff hist −102 Atomic cloud storage No edit summary Tag: Visual edit
05:0005:00, 3 January 2025 diff hist +1 N File:1.png No edit summary current
04:5804:58, 3 January 2025 diff hist +25,005 N Atomic cloud storage Created page with "'''Update: 7/12/17 -''' The biggest flaw with this proposal is that its not atomic with respect to a user’s bandwidth (and this is a crucial concern in a decentralized cloud storage systems.) My conclusion is that payment protocols for these systems cannot be made much more low trust than a standard micro-payment channel (unless there is some use-case where bandwidth can be ignored but I can’t think of one.) '''Update: 13/01/17 -''' A recent paper has emerged descri..." Tag: Visual edit: Switched
04:5504:55, 3 January 2025 diff hist +7,640 N 0x Created page with "Author: Matthew Roberts (matthew@roberts.pm) Date: July 1, 2017 Whitepaper: [https://github.com/icofrog/icofrog.github.io/blob/master/0x%20Project/0x_white_paper_v1.pdf 0x white paper v1.pdf] <span id="introduction"></span> = 1. Introduction = The 0x Project is an attempt to introduce a decentralized exchange protocol for ERC-20 tokens in the Ethereum world. The exchange focuses on building a system that can be used to incentivize users to run servers that will serve..." current
04:3504:35, 3 January 2025 diff hist +4 N File:1730874342237507.gif No edit summary current

3 January 2025