AppCoins is an open and distributed protocol for app stores based on the Ethereum blockchain and smart contracts. It redesigns app advertising, in-app purchases (IAP), and app approval flows through a circular model. As a higher share of the advertising and IAP revenue is kept within the app ecosystem, more value is retained in the app economy. Being an open protocol, it would theoretically provide more transparency and trust. Multiple app stores can implement and benefit from this and stakeholders will have to contribute to its development and adoption. Furthermore, API integration will streamline implementation.

AppCoins integrates app stores, users, developers, advertisers, and OEMs. This system is app store agnostic, existing across different mobile platforms (Android & iOS). The different app stores act as oracles of the smart contracts, which are associated with each of the platform’s core transactions. This system creates a trust layer for the economy, obviating the need for intermediaries. AppCoins aims to become the universal language of the app economy.

The protocol also includes a so-called Proof-of-Attention system. Users, app stores, and OEMs receive tokens through the Proof-of Attention concept as a reward. Developers that want to advertise their apps can be sure that the user has installed and used it. The users reinvest their tokens via inapp purchases and this would theoretically create a virtuous loop that boosts the AppCoins economic growth.

- Link to the Source Code: https://github.com/AppStoreFoundation  
- Chat: https://t.me/appcoinsofficial  
- Announcement: https://medium.com/@appcoins 
- Source: Official website: https://appcoins.io

AppCoins

Ethereum

Shiba Inu

Chainlink

UNUS SED LEO

Uniswap

Pepe

FLOKI

Immutable

Aave

SingularityNET

Gala

Worldcoin

Render

The Sandbox

The Graph

GG MetaGame

DGI Game

Advanced Project

Arbius

HitBTC Token

WaykiChain

Tachyon Protocol

Pillar

Ignis

HyperCash

AirSwap

BitKan

TenX

Peercoin, also known as PPC or Peer-to-Peer Coin, was created by Sunny King and his team and launched in August 2012. It is the first blockchain to implement Proof-of-Stake consensus.

The primary inspiration behind the creation of Peercoin was to address a number of perceived shortcomings of Bitcoin, including energy efficiency, security and sustainability, decentralization and long-term viability.

Essentially it was designed as an enhanced replacement for Bitcoin. As such, it was originally forked from Bitcoin and uses the same UTXO style blockchain. However, Peercoin's code was modified to introduce Proof-of-Stake as its primary consensus protocol. The next section explains how this makes for a better blockchain.

Given that Peercoin uses most of the same code, it can easily port new features from Bitcoin and utilize any of the supporting infrastructure, including tech advancements like Taproot or Lightning Network. Peercoin is the only Proof-of-Stake blockchain that uses modern Bitcoin code, making it the perfect drop-in replacement.

Peercoin also has a dedicated community, is actively developed, fairly distributed, has low barriers of participation, can do everything that Bitcoin does, minus the 13 TWh of energy usage, and it's not a scam.

Peercoin

Ycash

EOSDT

Populous is a network designed to offer small and medium-sized enterprises (SMEs) invoice liquidity for up to 90 days. Launched in 2017, Populous is designed to enable peer-to-peer (P2P) interaction between enterprises, boost liquidity and solve problems with working capital for SMEs.

By relying on blockchain technology and smart contracts, the Populous network facilitates decentralized communication between businesses and allows them to share liquidity pools. According to the network’s official whitepaper, there is a need for liquidity in the sector, and Populous is trying to bring the solution. By providing short-term liquidity to enterprises through P2P lending, the network gives enterprises quick access to capital, which cannot be achieved by waiting for customers to settle invoices.

Populous

Hifi (formerly Mainframe) is a Lending Protocol that allows anyone to borrow against their crypto. Hifi uses a bond-like instrument, representing an on-chain obligation that settles on a specific future date. Buying and selling the tokenized debt enables fixed-rate, fixed term lending and borrowing — something much needed in decentralized finance today. It is anticipated that a ticker symbol change will occur alongside future iterations on the Hifi Lending Protocol.

Mainframe Token (MFT) is the native utility token that is used for:

Governance votes

Staking to ensure the safety of the protocol

Rewarding contributors to the ecosystem

What can you do with the Hifi Lending Protocol:

Borrow:  Lock collateral in a vault to mint fixed-rate, fixed-term debt tokens.  These debt tokens can be swapped for instant liquidity allowing users to leverage long, yield farm, or pursue other strategic trades without selling their collateral tokens.

Lend:  Buy fixed-rate, fixed-term debt tokens for a discount.  When the term expires they can be redeemed for face value, earning lenders a predictable return on their investment.

Provide Liquidity:  Earn trading fees by providing liquidity between debt tokens and stablecoins on an Automated Market Maker (AMM).

Mainframe

GoChain

CyberVein's big-data solution is based on the PISR (private, interlink, secure, robust) distributed database, database operations are stored on CyberVein blockchain network which runs on a Proof-of-Contribution (PoC) consensus mechanism. The solution is focusing on enterprise-level "blockchain + big-data" customized services.

CVT is the native utility token that is used for:

Storage payment: The data owner pays the corresponding storage fee based on the file size and bandwidth consumed in such a process.

Computing power payment: Payments from user to owner for usage, and remuneration for software developers is going to be exclusively conducted in CVT.

Data exchange: On CyberVein's federated learning platform, the data acquirer trades the data at a price contracted between the two parties for distributed modeling applications.

CROSS NFT issuance payment: Dapp businesses are obligated to pay for Storage and Data Exchange in light of network resources occupied, and may set up CyberVein token as a means of payment to issue NFT or conduct business in accordance to their desired business model.

CyberVein tools include:

PISR Consortium database, creates better data management: through safe and reliable virtual machine operation and maintenance of user data, data is efficiently aggregated for upstream data, and data traceability and tracking are realized to ensure the reliability of data sources and outputs, and achieve cross-level, cross-departmental data sharing to improve the timeliness, diversity, stock and density of data to realize the commercial value of data, and truly solve the problems in data flow.

DAG storage chain, creates safer data storage, with better efficiency, no block confirmation, low transaction fees, and also eliminates miner, supports asynchronous verification and parallel processing of each node, the more nodes, the faster the speed, the stronger the scalability, which leads to better scalability. The database backup on DAG storage chain provides an extra layer of security for businesses.

Cytrix, allows GPU to be shared. Nodes can contribute part of their GPU to the network, in return for compensation through the Proof of Contribution mechanism. The contributed GPU can aid enterprises or individuals in data modeling with federated learning.

Federated Learning Platform, enables data to be monetized. Federated Learning is a distributed machine learning workflow. The datasets are first trained locally, and the data of all parties is kept locally, without revealing privacy or violating regulations.  Individual terminals return trained models to the server to create a shared model. Effectively protect data privacy and security, solve the problem of information silo, and thus realize the value of data. The platform will also provide algorithms to support data modeling operations by enterprises and individuals.