Augur, one of Ethereum’s earliest decentralized prediction-market and oracle projects, said the second and final phase of its Moon Fork is nearing completion, with the two-month migration window for holders of its REP token set to close on August 1, 2026.

All REP holders must migrate their tokens on a 1:1 basis into an outcome-specific version of REP by the deadline to remain part of the active Augur ecosystem. The migration is one-way and irreversible. REP tokens left in the legacy Augur universe after the window closes will no longer be able to follow the active protocol and are likely to lose their economic value. After the deadline, unmigrated REP can no longer be converted. That makes the deadline an operational cutoff for participation in the continuing Augur protocol, not simply a token-label change.

Augur said migration tools are available through its official fork interface at 6.augurfork.eth.limo, alongside a step-by-step guide and frequently asked questions.

The fork is intended as a live demonstration of how a decentralized system can defend a truthful outcome without a central authority deciding the result. According to Augur, that security depends on participation because REP only protects the protocol when its holders act.

Moon Fork tests Augur’s economic security model

The Moon Fork began on April 8 with an intentionally escalated dispute over the question: Did the Artemis II mission successfully lift off in the first week of April?

The dispute was initiated by longtime Augur community member Micah Zoltu to test the protocol’s complete resolution process under real economic conditions. The correct outcome was “Yes.”

The process was designed to test the mechanism from start to finish, including participant incentives, capital formation, dispute escalation and token migration. Augur entered the fork after enough REP was committed across successive dispute rounds to trigger the protocol’s final resolution backstop.

The fork has two phases: an escalation game and mandatory REP migration.

Phase one: The escalation game

From April through early June, REP holders were able to stake on competing answers through a sequence of increasingly expensive dispute rounds. Each round required more capital than the previous one.

Participants who staked on the ultimately accepted outcome were eligible to earn a return funded by the losing side, creating a financial incentive for the broader market to oppose manipulation.

“Most people will interact with Augur during the escalation game, which lets outcomes battle it out by seeing who can raise more money. The losers pay out the winners. Since it’s easier to raise money on an outcome people believe to be true, that’s the one with the advantage. So in this phase we try to outspend the attacker, and if we can’t, we go to phase two,” said Phill Monastirsky, co-founder of the Lituus Foundation, which stewards Augur.

The escalation process continued until the dispute reached Augur’s fork threshold. Phase one has now been completed.

Phase two: Mandatory REP migration

Augur’s protocol has now split into separate outcome-specific universes. Every REP holder must choose a universe and migrate their REP into the corresponding token.

“Failing to outspend the attacker, we now try to maximize their cost by forcing them into a worthless token,” Phill said. “The protocol splits into tokens corresponding to the possible outcomes, with 51% required to win. Since future Augur fees only continue on the truthful token, the attacker is forced to move 51% of the token supply into something worthless. In the Augur Lituus design, this rises to near 100%. As long as it costs them more to do that than they gain from misresolving the market, we are safe.”

Future official Augur development funded by the Lituus Foundation will continue in the universe corresponding to the truthful outcome: that Artemis II successfully lifted off during the period specified by the market.

The Foundation said it has migrated its own holdings and added liquidity to the corresponding token.

Steps for REP holders

REP holders are being asked to complete the following steps before August 1:

• Hold REP in a self-custodied Ethereum wallet or confirm that their exchange will support the migration.
• Visit 6.augurfork.eth.limo/#/migration.
• Connect the wallet that holds REP.
• Migrate REP 1:1 into the outcome-specific token corresponding to the truthful result.
• Confirm receipt of the new REP token in the connected wallet.

Migration cannot be reversed after it is completed.

REP held on centralized exchanges may require action by the exchange rather than by the individual user. The Lituus Foundation said it has been working with exchanges to support migration on behalf of users. Kraken has confirmed support, while other exchanges have not. Holders should not assume support unless their exchange states it explicitly. The distinction matters because exchange-held REP may be controlled through exchange infrastructure, while self-custodied REP can be migrated directly through the fork interface.

Augur said the current exchange-support status is maintained at v3.augur.net/#exchange-support. Exchange support may change during the migration period. Holders who cannot confirm support should withdraw their REP to a self-custodied wallet and complete the migration directly.

Why the fork matters

Prediction-market platforms depend on a resolution process to determine which outcome occurred and where funds should be paid.

Many systems rely on companies, committees, token votes, multisigs or discretionary intervention. Augur was designed around a different model: an open economic process in which participants can challenge an outcome and receive financial rewards for defending the result the broader market recognizes as true.

When a dispute reaches the fork stage, REP separates into tokens linked to each possible outcome. Holders determine which universe will carry the protocol’s future economic activity by migrating into that universe.

The design reframes the security question. Rather than focusing only on whether a sufficiently wealthy attacker can temporarily influence a vote, the fork mechanism asks whether an attacker is willing to acquire and sacrifice enough REP to support a false universe that users, developers and liquidity providers may later abandon.

Demonstrating Augur’s next-stage oracle mechanism

The Moon Fork is testing Augur v2’s dispute architecture. Future implementations will differ from the original system, but the live exercise demonstrates the escalation-and-fork pattern behind Augur’s continuing oracle research.

That research includes Augur Lituus, a proposed modular resolution layer designed to let prediction markets and other applications outsource disputed real-world outcomes to an open, economically secured oracle.

The Lituus Foundation is funding continued work on Augur’s decentralized resolution infrastructure. The prediction-market platform being developed through the separate Dark Florist workstream is expected to support the branches created through the fork, rather than the legacy unmigrated REP token.

Augur said the live migration offers a practical demonstration of its core thesis: a prediction market should not depend on any single party having the authority to declare what happened.

Key migration information

• Migration deadline: August 1, 2026
• Migration ratio: 1:1
• Migration status: Mandatory for holders who want to remain part of the active Augur ecosystem
• Migration direction: One-way and irreversible
• Migration portal: 6.augurfork.eth.limo/#/migration

Holders should consult the official migration interface and Augur channels for the latest technical instructions and exchange-support updates.

About Augur

Augur is a decentralized prediction-market and oracle project originally built on Ethereum. Its dispute system uses open participation and economic incentives, with algorithmic forking as a final backstop, to resolve contested real-world outcomes.

About the Lituus Foundation

The Lituus Foundation stewards the revival and continued development of Augur. The Foundation supports open-source development that advances Augur’s oracle research and engineering.

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