Auroracoin is a decentralised, peer-to-peer, and secure cryptocurrency released as an alternative to the Icelandic Króna to bypass governmental restrictions associated with the national fiat currency. It was launched with the aim of becoming the ‘official’ cryptocurrency of Iceland. AUR was a pioneer in the area of country-specific cryptocurrencies. AUR was launched on the 25th of January, 2014, by an anonymous developer who went by the pseudonym of Baldur Friggjar Óðinsson. It was originally based on Litecoin, using the Scrypt algorithm with a Proof of Work mechanism, but was later updated to use a multi-algorithm architecture in 2016, forked from DigiByte. Auroracoin uses the PoW consensus mechanism, which utilises device hashing power to solve a complex mathematical problem in order to authenticate a transaction proposed to be stored in the blockchain. The difficulty of solving the problem ensures that authenticating forged transactions is very difficult unless the attacker owns an impractically large chunk of the network’s total hashing power. AUR is one of the only cryptocurrencies to use a combination of five different hashing algorithms, namely Grøstl, Qubit, scrypt, SHA-256, and Skein. While initially very popular, Auroracoin has seen little to no activity for a while, with poor marketing, and frequent dev team changes. Reasons for little growth have been various, from slow adoption in Iceland, to developers leaving and joining the project midway. However, it is expected to not go lower than the recent low, and might see a rise as AUR plans to launch a more aggressive marketing campaign in Iceland to promote the coin among the masses. Unlike most other altcoins, Auroracoin has made extensive changes to the original codebase. It has introduced security measures such as Automatic checkpointing, and protecting against known flaws present in the BTC blockchain, such as 51% block replacement attacks.
Merculet proposes a growth methodology based on user attention: Merculet constructed Attention Value Network. This Network connects both the supply and demand sides of attention with an open protocol suite to promote a virtuous circulation of the Internet of Value. On the one hand, it provides diverse methods for user operation. On the other hand, it offers real users and business scenarios for various existing public chain projects, promoting the effective circulation of value. Attention Value Network realizes the value circulation in a distributed commercial society, brings a brand-new production relationship experience to users and entrepreneurs, and re-defines the structure of valuable user traffic. The core components of the project include: 1. User Attention Value (UAV) evaluation system: UAV System effectively evaluates user attention, completes digitalization and capitalization, and provides a proof of effective workload, that is, UAV. It established a long-lasting trust relationship between entrepreneur and user as well as a new mechanism for the community of interests; 2. Attention Incentive system: UAT (User Attention Token), Application Market of Merculet UAT Alliance Entrepreneurs can issue UAT to users based on UAV value. The UAT will be anchoring the basic MVP (Merculet Value Protocol) token, enabling the synergy and the value exchange between entrepreneurs, thus creating an era of the token, which is a means of the welfare, equity, entry admission, and identity. 3. To address the source of user attention, Merculet will provide a blockchain based Merculet Open Content Platform: Based on consensus and driven by token, it will provide a decentralized platform for the entire industry chain globally. It also dedicated to solving the problem of global content circulation brought by cultural differences.