# BEACON Oracle

Live on mainnet · [Infrastructure](https://builder.registrai.cc/ecosystem/infrastructure/) · Last reviewed 2026-11-01

BEACON Oracle is an infrastructure provider on Arc, Circle's blockchain, live on Arc mainnet since 29 October 2026. USDC/NGN price oracle: an off-chain reporter publishes the median of exchange and FX sources to a Chainlink-compatible contract. On Arc mainnet since 2026-10-29; 51 rounds from 2026-10-31 to 2026-11-01 07:25 UTC, then no update, so reads revert. Built with Arc Studio.

[Website](https://beacon-oracle.vercel.app) · [GitHub](https://github.com/Elijah463/beacon-oracle)

## Status

- Live on Arc mainnet since 2026-10-29

Evidence: [USDCNGNOracle (ERC1967 proxy, description "USDC / NGN") on Arc explorer](https://explorer.arc.io/address/0xe0e4894106b1e517752515d40601ec890262e0ea) · [Arc mainnet block 28544623: first block with code at 0xe0e4894106b1e517752515d40601ec890262e0ea](https://explorer.arc.io/block/28544623)

## Contracts on Arc

- USDCNGNOracle (ERC1967 proxy, description "USDC / NGN"): [`0xe0e4894106b1e517752515d40601ec890262e0ea`](https://explorer.arc.io/address/0xe0e4894106b1e517752515d40601ec890262e0ea) ([source](https://github.com/Elijah463/beacon-oracle/blob/HEAD/README.md))

## Questions

**What is BEACON Oracle on Arc?**: BEACON Oracle is listed under Infrastructure on Arc, Circle's blockchain. USDC/NGN price oracle: an off-chain reporter publishes the median of exchange and FX sources to a Chainlink-compatible contract.

**Is BEACON Oracle live on Arc mainnet?**: Yes. BEACON Oracle has been live on Arc mainnet since 2026-10-29. [Evidence](https://explorer.arc.io/address/0xe0e4894106b1e517752515d40601ec890262e0ea)

**When did BEACON Oracle launch on Arc?**: BEACON Oracle went live on Arc mainnet on 2026-10-29. Source: Arc mainnet block 28544623: first block with code at 0xe0e4894106b1e517752515d40601ec890262e0ea. [Source](https://explorer.arc.io/block/28544623)

**Who controls the contracts of BEACON Oracle on Arc?**: 1 contract on Arc is attributed to BEACON Oracle. Registrai has not read their owner or admin roles yet.

## Sources

1. [Elijah463/beacon-oracle on GitHub](https://github.com/Elijah463/beacon-oracle)
2. [console.jsonl: Arc Studio export file (preview.studio.arc.io)](https://github.com/Elijah463/beacon-oracle/blob/HEAD/console.jsonl)
3. [Arc mainnet RPC: latestRound() is 51; getRoundData(1) updated 2026-10-31 00:23 UTC and getRoundData(51) 2026-11-01 07:25 UTC; latestAnswer() reverts once a round is over maxStaleness (3600 s)](https://rpc.mainnet.arc.io) (2026-11-01)
4. [Registrai: apps built with Arc Studio](https://builder.registrai.cc/arc/studio/) (2026-11-01)

[Suggest a correction](https://builder.registrai.cc/ecosystem/beacon-oracle/correct/) · [How we publish](https://builder.registrai.cc/how-we-publish/) · [Arc ecosystem](https://builder.registrai.cc/ecosystem/)

Source: https://builder.registrai.cc/ecosystem/beacon-oracle/ · Registrai, builder.registrai.cc, CC BY 4.0