# @Eli5defi: Pythia private conviction markets on Solana using Arcium MPC

Source: https://x.com/Eli5defi/status/1993213104755556851
Kiwi News: https://news.kiwistand.com/stories/Eli5defi-Pythia-private-conviction-markets-on-Solana-using-Arcium-MPC?index=0x6925b63a12d6e7778ad367c423ffc764202bfe9315b5d2826e8dd6d8e44e589b93107af4
Submitted by rvolz.eth on 2025-11-25 UTC, 1 upvote, 1 comment

➥ Pythia: The Private Conviction Market

When the alpha hit social media, it is usually not the alpha anymore.

@pythiamarkets, built on @Arcium, is a private conviction market where alpha hunters stake and funds read the signal in private.

Here is everything you need to know about Pythia in 30s 🧵

— — —

► What is Pythia?

Pythia runs private conviction markets called opportunity markets which first ideated by @_Dave__White_ and @no__________end, and the winner of winner of Arcium's <encrypted> sidetrack.

An opportunity market is a private market around one clear outcome, visible first only to a sponsor this allows trading and prices stay hidden for a set window.

❶ Traders (scouts)
They put money behind an opportunity they believe will happen and earn if they are early and right.

❷ Sponsor (decision maker)
A fund, label, or institution that supplies capital, sees this private market first, and can act on the signal before the crowd.

—

► Pythia’s Key Design

Pythia is built leveraging Arcium Cerberus MPC which allow for:

▸ Private price window
Only the sponsor sees trades and prices, keeping early signals private.

▸ Public reveal window
After this phase, prices and positions open publicly, allowing market refinement.

▸ Settlement
When the outcome is clear, the market settles, and payouts occur.

This setup isolates private signal discovery from public trading, safeguarding early sponsor activity.

—

► How Pythia works

Pythia links @solana with Arcium for private computation.

▸ A sponsor sets up a market on Solana with a clear outcome and provides initial liquidity.

▸ Scouts' encrypted orders are processed in Arcium using Cerberus MPC to keep trades confidential.

▸ Arcium updates the market state and sends proofs back to Solana.

▸ The sponsor follows private feeds to monitor conviction.

▸ After the private phase, Pythia reveals prices and positions.

▸ The market trades publicly until outcomes are clear and positions settle.

—

► What is Cerberus MPC

Cerberus MPC, Arcium's engine, enables private computation by letting nodes work on encrypted data and reach an accurate result if one node remains honest.

For Pythia, Cerberus MPC offers:

▸ Correctness: Prices/orders stay encrypted; market state stays valid.
▸ Confidentiality: Nodes see partial orders, keeping trades hidden.
▸ Composable design: Pythia integrates pricing logic into Cerberus, ensuring privacy.

Solana is fast but fully transparent, so a private window on its own would leak prices, order flow, and position sizes.

Arcium fixes this by acting as an encrypted coprocessor where MPC runs on encrypted data.

—

► Why Phytia Differs

Pythia transforms early conviction into a market rather than relying on emails or tips, using capital to spotlight worthy opportunities.

Scouts can support startups they trust and profit if they’re early and correct, without needing a fund or connections.

On the other hand, Sponsors get a curated stream of market-tested opportunities to see real risks instead of relying on presentations or messages.

—

► Wrap up

Pythia ties Solana to Arcium and Cerberus MPC to run private conviction markets around real world opportunities.

It keeps trading and prices private while conviction forms, then reveals them, so scouts can earn for being early and funds get a clear market based signal.

This mix of encrypted compute and public settlement makes Pythia a clean way to route alpha from scouts to decision makers.

—

CC:
> @RunnerXBT
> @julian_arcium
> @yrschrade
> @milianstx
> @OxTochi

## Comments

**rvolz.eth**: Degen or logical conclusion of prediction markets? 
"This setup isolates private signal discovery from public trading, safeguarding early sponsor activity."