Using Proof-of-Stake for a Decentralized Credit Bureau

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Using Proof-of-Stake for a Decentralized Credit Bureau
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Cryptoeconomics, when it works, creates a hothouse environment to improve legacy financial tools like credit assessments, leading to real consumer and economic gains.

At Spectral, we’re creating and incentivizing a network of modelers, creators, users and validators using proof-of-stake mechanics. The idea — similar to Chainlink and The Graph’s models — is to build a decentralized marketplace with a built-in feedback mechanism that ferrets out and discourages bad actors.James McGirk is a senior writer at Spectral Finance and the co-founder of Lonely ROCKS.

The promise of an on-chain credit score is that it’s opt-in, completely transparent, and eventually, production of the algorithm generating the scores can be decentralized by incentivizing a competitive marketplace. Netflix pioneered the technique in the 2000s when they offered and eventually paid a million-dollar bounty to a team of data scientists who improved their recommendation algorithm by 10%.

Our model is a little more complicated. We’re incentivizing a contest. So we divide our network into modelers and creators, who create data science challenges for the modelers to tackle, in this case an accurate credit score generated from on-chain information. Creators post a bounty which modelers compete for during a specific time period; meanwhile, during this time modelers stake SPEC tokens, which can be slashed by validators in case of bad behavior. Creators post a service level agreement , which is standard legalese for contractual terms, which modelers commit to when entering the contest. This SLA can specify criteria such as achieving accuracy benchmarks or uptime.

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