Bitcoin Cash is a hard fork of Bitcoin with a protocol upgrade to fix on-chain capacity. Bitcoin Cash intends to be a Bitcoin without Segregated Witness (SegWit) as soft fork, where upgrades of the protocol are done mainly through hard forks and without changing the original economic rules of the Bitcoin. Bitcoin Cash (BCH) is released on 1st August 2017 as an upgraded version of the original Bitcoin Core software. The main upgrade is the increase in the block size limit from 1MB to 8MB. This effectively allows miners on the BCH chain to process up to 8 times more payments per second in comparison to Bitcoin. This makes for faster, cheaper transactions and a much smoother user experience. Why was Bitcoin Cash Created? The main objective of Bitcoin Cash is to to bring back the essential qualities of money inherent in the original Bitcoin software. Over the years, these qualities were filtered out of Bitcoin Core and progress was stifled by various people, organizations, and companies involved in Bitcoin protocol development. The result is that Bitcoin Core is currently unusable as money due to increasingly high fees per transactions and transfer times taking hours to complete. This is all because of the 1MB limitation of Bitcoin Core’s block size, causing it unable to accommodate to large number of transactions. Essentially Bitcoin Cash is a community-activated upgrade (otherwise known as a hard fork) of Bitcoin that increased the block size to 8MB, solving the scaling issues that plague Bitcoin Core today. Nov 16th 2018: A hashwar resulted in a split between Bitcoin SV and Bitcoin ABC
PolySwarm in 60 Seconds. Polyswarm is a decentralized threat intelligence market made possible by Ethereum smart contracts and blockchain technology. Polyswarm incentivizes rapid innovation in the $8.5B/yr anti-virus and automated cyber threat intelligence space with precise economic incentives that reward timely and accurate threat intelligence concerning the malintent of files, network traffic and URLs. PolySwarm defines a real-time threat detection ecosystem involving enterprises, consumers, vendors and geographically-diverse security experts. Experts develop and hone competing “micro-engines” that autonomously investigate the latest threats, attempting to outperform their competition. PolySwarm’s “Proof of Work” is threat detection accuracy: the market rewards experts who are best able to defend enterprises and end users. Relative to today’s ad hoc market, PolySwarm will lower the barier to entry, provide broader coverage options, discourage duplicative effort and ensure interoperability among products and threat intelligence feeds. Economically, PolySwarm functions as a skill-required twist on a prediction market2 with thousands of micro-engines (“workers”) investigating the latest in malware evolution at machine speed - no human in the loop. PolySwarm will be developed by Swarm Technologies, Inc. (“Swarm Technologies”) with funding derived from the sale of ERC20-compatible Nectar (“NCT”) utility tokens. As a utility token, PolySwarm economically disincentivizes Nectar speculation by rewarding honest market participation through the collection and distribution of Fees (details on page 6) to valueadding, active participants.