Dataeum XDT Token: Data Revolution
Dataeum is a blockchain-based platform which uses crowdsourcing to enable the collection of 100% of all global physical data (such as stores, gas stations, traffic signs) anywhere...
Greeneum: Go Green. Get GREEN.
This project's Twitter account has been locked.
Its subreddit also seems to have been abandoned, with several unrelated posts at the top. Latest related post was post...
Proof of Trust (PoT) Summary [Cryptocurrency consensus mechanisms]
In a Proof of Trust system, users in a network gain trust as they participate in special activities within the network. If a user tries to defraud the system, the trust is lost and they lose an equivalent amount in value (the cryptocurrency or token employed). In a Proof of Trust system, “trust” is staked […]
Opinion: Will Tether blow up? [Dec 2017]
There is an elephant in the room in the cryptocurrency world and it’s called Tether. The concept of a cryptocurrency that is tied to the world’s reference fiat currency is very interesting indeed. But it has a very expensive requirement: for every unit of this cryptocurrency, there must be an equal unit in the reference […]
Proof of Location (PoL) Summary [Cryptocurrency consensus mechanisms]
In a Proof of Location consensus algorithm, users’ geospatial coordinates are accounted for as proof of value. This kind of algorithm is usually employed in cryptocurrency geomining systems. In a geomining application, users earn rewards for being at a certain place at a certain time. If, for example, a company wished to gather participants for […]
Proof of Authority (PoA) Summary [Cryptocurrency consensus mechanisms]
Proof of Authority is a consensus mechanism where members of a cryptocurrency network are identified and receive delegated powers to solve blocks. If they defraud the system their identity is at stake and they will either be prosecuted or booted from the network. This is a centralized system where a higher authority delegates mining powers […]
A process or system by which multiple parties are able to reach consensus. In the context of cryptocurrencies, it's the process which allows for everyone to agree on everyone else's money balance. E.g. Bitcoin employs Nakamoto consensus via PoW mining.
Stable coins are backed by a reserve fiat currency in order to hedge against exchange variations. Most stablecoins are tethered against the US dollar.