/biz/ - Business & Finance

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Essentially, Smart Contracts are flawed because they, by their very nature, can't interact with data outside the blockchain. Oracles are the bridge which allow that to happen, but current oracles are centralized and could possibly manipulate the data they are passing for their own benefit, which causes big companies wanting to implement smart contracts to get cold feet.
Chainlink is a decentralized oracle network, which will allow the oracles on the network to act in a similar manner to how we see bitcoin miners interact with the bitcoin blockchain --- they don't care about what they're processing, they just process it. This allows the trustless and tamperless translation of the data from the source to the smart contract, which opens up a whole world of possibilities. I wrote a couple examples to help open your mind to it:
Securities smart contracts such as bonds . . . You have a Bond which you have a smart contract for which is fed market data through an oracle, calculates the effective interest rate and payment based on the terms of your bond, and processes your dividends through a payment network oracle (SWIFT Payment network)
Insurance smart contracts, which uses data from IoT devices in your home to support claims for insurable events, such as your fire alarm or home security system automatically beginning a claim with the company providing your personal property insurance when one of those events occur.

>>3839021
1. Eth and smartcontracts. We all know smartcontracts are revolutoinary, but their use cases are limited. Smartcontracts are awesome, but they are confined within the blockchain and data on the blockchain. In otherwords, right now smartcontracts are "you send 1 eth and I'll send back 1000 McTokens", and this contract is verifiable/trustless/amazing but its stuck within the universe of Ethereum and the data Ethereum understands

2. It is possible to use external data to inform these contracts, but right now that process is centralized. This is a problem. Lets say the external data is a transaction of Dollars for ETH. So you send 300$ to bank account X, and then I send one Eth to your address. Right now you either do that through a third party (CoinBase), OTC (LocalBitcoins) or whatever else centrlized system you want to use.

Knocking out that centralization, where you have to trust someone, is THE key to SmartContracts having a real world use case. But how do you get that information -- the fact that the $300 has been sent -- onto the blockchain using data that the smartcontract understands?

3. Oracles. Right now the answer is "hey we can hire Oracle X to do the translation to represent this bank dollar transaction on the blockchain." The "oracle problem" with this is that you are 100% TRUSTING that oracle to act prudently. That they don't tamper with the data. So we can kill coinbase but now we have to trust the oracle instead of coinbase .This is a HUGE problem for Banks who want to get into blockchain but have to trust a centralized oracle to translate data. This Oracle can be hacked, falsified, defrauded, really all the problems that come with centralization.
4. ChainLink - this service DECENTRALIZES that translation process of the Oracle. Now, the translation is trustless, and you have a trustless data feed that informs the trustless smart contract.

LINK token is useless shit right?

Wrong!