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EAS Attestations

Every BV-7X prediction is attested on-chain using the Ethereum Attestation Service (EAS) on Base. This creates a tamper-proof record that proves predictions were made before outcomes were known.

What Is EAS?

The Ethereum Attestation Service is a protocol for making structured on-chain attestations. An attestation is a signed statement that something is true, recorded immutably on the blockchain.

BV-7X uses EAS to attest:

  1. Predictions -- the signal direction and confidence, made before the outcome

  2. Resolutions -- the outcome (WIN/LOSS) after the 7-day window closes

Why It Matters

  • No retroactive editing: Once attested, the prediction cannot be changed

  • Timestamp proof: The block timestamp proves when the prediction was made

  • Public verification: Anyone can verify any attestation on easscan.org

  • Trustless: You do not need to trust BV-7X's self-reported accuracy -- verify it yourself

Prediction Schema

Created at ~21:38 UTC each day, before the 7-day outcome window opens.

Field
Description

Signal

BUY, SELL, or HOLD

Direction

UP or DOWN

Confidence

Model confidence score

BTC Price

Bitcoin price at prediction time

Model Version

Version of the signal model

Timestamp

UTC time of prediction

Horizon

Prediction timeframe (7 days)

Resolution Schema

Created when the 7-day prediction window closes and the outcome is determined.

Field
Description

Original UID

Reference to the prediction attestation

Outcome

WIN or LOSS

BTC at Signal

Bitcoin price when prediction was made

BTC at Resolution

Bitcoin price at resolution

Signal Date

Date the original prediction was made

Resolution Date

Date the outcome was determined

Attestation Details

Property
Value

Chain

Base (8453)

Attester

0xd8B71d23e1a8da9867497C0E757A1143B94C3e1e

Explorer

base.easscan.org

Each attestation also has an IPFS backup of the full prediction data for redundancy.

Accessing Attestations

Via API

See On-Chain API for full response schemas.

Via EASScan

  1. Visit base.easscan.org

  2. Search for the attester address: 0xd8B71d23e1a8da9867497C0E757A1143B94C3e1e

  3. Browse all attestations made by BV-7X

See Verify a Prediction for a step-by-step walkthrough.

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