Trend: Short-term trend is Strong Up, Medium-term trend is Strong Up, Long-term trend is Neutral.

Momentum is Bullish but inflecting. MACD Line is still above MACD Signal Line but momentum may have peaked since MACD Histogram bars are declining, which suggests that momentum could be nearing a downswing. Price is neither overbought nor oversold currently, based on RSI-14 levels (RSI > 30 and RSI < 70).

Support and Resistance: Nearest Support Zone is $13.00, then $8.20. Nearest Resistance Zone is $15.00, then $16.50.

ChainLink is a decentralized oracle network. It seeks to operate as a middleman between smart contracts on smart contracting platforms and outside data sources, enabling smart contracts to safely access off-chain data feeds.

ChainLink History

In order to build a link between external data sources and open blockchains, ChainLink’s parent business SmartContract.com was established in September 2014. A product named ChainLink was ultimately created by the team, enabling smart contracts to connect to data feeds from any online API and data source. But because the initial SmartContract.com oracle solution for public blockchains relied on centralized oracles, it gave rise to the so-called “oracle dilemma”—a difficulty that results from smart contracts’ reliance on reliable outside sources of data. With the ChainLink network, a fresh decentralized oracle network, SmartContract.com made an effort to solve this issue in 2017.

To fund the project’s development, SmartContract.com (SmartContract ChainLink Ltd) raised $32 million through an initial coin offering. The ChainLink network aims to connect open blockchains and external data sources. Through its decentralized oracle network, it links smart contract platforms to crucial off-chain data from markets, events, and payments. Anyone with a data feed or other API can sign up for the Chainlink network and take on tasks to retrieve and distribute data to smart contracts. For their services, node operators are compensated in ChainLink tokens (LINK). When staking launches on the mainnet, node operators will also be able to stake LINK to fulfill specific smart contract demands that call for collateral. On June 1, 2019, Chainlink’s mainnet went online on Ethereum.

Technology of ChainLink

On-chain and off-chain components both exist in ChainLink. ChainLink is a network of oracle nodes that connects to open blockchains off-chain (initially just Ethereum). ChainLink on-chain is made up of a number of smart contracts that operate as an interface for contracts that want to request data feeds. A network of oracle nodes linked to the Ethereum blockchain makes up the off-chain portion of ChainLink. These nodes harvest off-chain answers on their own. A smart contract on Ethereum aggregates each participant’s individual responses, weights them, and then returns the results to the requesting contract. The standard open source core implementation, which manages typical blockchain interactions, scheduling, and connecting with external resources, powers ChainLink nodes.

The on-chain portion of ChainLink is made up of three major contracts: an aggregating contract, an order-matching contract, and a reputation contract. Oracle service provider performance indicators are tracked by the reputation contract. The order-matching smart contract takes proposed service level agreements (SLAs), which may include information such as query parameters (which data feeds to use), the quantity of oracles the buyer needs, collateral specifications, and uptime demands, and logs them. It also solicits quotes from oracle providers. The Oracle SLA is then finalized when bids are chosen utilizing the reputation contract. The ChainLink query’s final collective result is determined by the aggregating contract, which compiles the oracle providers’ responses. Additionally, the reputation contract receives metrics from the Oracle provider.
This process starts with a user smart contract. Data request parameters are defined by user smart contracts that publish contracts with SLAs. The order matching contract, which both collects bids and logs the SLA parameters, is used by node operators who watch the Ethereum blockchain for these requests to bid to service them. Through the ChainLink core team marketplace or other marketplaces for matching requests, users can even choose particular node operators by hand. Node operators who match a request node return external data to the aggregating contract, which combines the data into a single weighted value, transmits performance metrics to the reputation contract, and then reports the single weighted value back to the smart contract that requested it. Node operators are paid in LINK as payment for their services. Although all smart contract networks will eventually be integrated with LINK, it is currently based on the Ethereum platform.

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