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0xnull Review

XMR-only prediction markets with a 0.4% rake and a PGP warrant canary, but balances are custodial USD ledger entries and the same anonymous team resolves markets and controls payouts - you are trusting one operator with the money, the odds and the results.

No KYC XMR native Tor mirror XMR-only site6 red flags
6.2
no player ratings yet - be the first
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site reachable · checked 2 h ago · daily check

Red flags (6):
  • Custodial model: deposits become USD-denominated ledger entries held by an anonymous operator; XMR conversion rate is only fixed at withdrawal processing time
  • Operator is judge and counterparty: the same admin team resolves markets (governance markets explicitly 'resolved by the 0xNull admin team') and controls the payout worker
  • No dispute resolution or escrow anywhere - Terms: 'Users transact entirely at their own risk', platform provided 'AS IS', terms changeable 'at any time without prior notice'
+3 more red flags - expand before depositing
  • 'Winners always get paid' is marketing: zero independent payout reports exist (monerica 0 reviews, Reddit 0 threads)
  • Current V2 markets create no per-market wallets or view keys (a transparency regression vs. the older pool-wallet design visible in the code)
  • Backend depends on a hardcoded Supabase (US cloud) instance - centralization risk for an 'anonymous' platform

// Review

by the monerogambler editorial desk · review version 5 · prose updated 2026-09-13 · facts as of 2026-09-13 · how we verify

Overview

Screenshot: 0xnull homepage
0xnull homepage - live capture 2026-09-01

0xnull is a micro casino that supports Monero natively, with a 0.4% rake on prediction markets. It has a custodial model, where deposits become USD-denominated ledger entries. The casino has no KYC requirements and allows VPN and Tor usage.

Monero & Privacy

0xnull supports Monero natively, with no KYC requirements. The casino uses a custodial model, where deposits are converted to USD-denominated ledger entries. The operator controls the payout worker and resolves markets, which may raise concerns about trust and fairness. VPN and Tor usage are allowed, with a Tor onion mirror available.

Deposits & Withdrawals

The minimum deposit amount in XMR is not specified. Withdrawals are queued and processed by a payout worker, with a 0.4% fee on winnings. The XMR amount is converted at the live rate at processing time, not when the withdrawal is requested. There is no public SLA for withdrawals.

Games & Fairness

0xnull offers 152 games, including prediction markets and sportsbook. The games are not provably fair, and the operator resolves markets and controls payouts. The house edge is 0.4%, which is relatively low compared to other sportsbooks.

Bonuses

There is no welcome bonus offered by 0xnull. The casino's focus on low rake and anonymous betting may appeal to players who value these features.

Reputation & Red Flags

0xnull has a limited reputation, with no independent payout reports and zero reviews on Monerica. The casino has several red flags, including a custodial model, lack of dispute resolution, and an anonymous operator. The Terms of Service state that users transact entirely at their own risk.

Verdict

0xnull is a high-risk casino due to its custodial model and lack of transparency. Players should be cautious when depositing and betting, as the operator has significant control over payouts and market resolution. This casino is not recommended for players who prioritize fairness and transparency.

++ What works

  • XMR-only, no accounts, no KYC, no email; Tor onion mirror (operator site + monerica)
  • 0.4% fee on winnings only - losses, draws, cancellations and one-sided pools are refunded fee-free (operator docs)
  • Published parimutuel payout formula with an on-page calculator
  • PGP-signed warrant canary with a refresh schedule, served on clearnet and onion
  • Wide market coverage: sports, esports, 10-minute crypto flash rounds, governance questions; min bet just $0.20
  • Bet history stored client-side only ('stays private and clears when you clear site data')

-- What to watch

  • Fully custodial: you hold a USD IOU from an anonymous operator between deposit and withdrawal
  • Admin-resolved markets + queued withdrawals = the operator can delay or deny settlement with zero recourse
  • No provably-fair mechanism and no external oracle
  • No independent reviews or community discussion exist anywhere
  • Withdrawal XMR amount determined at processing time, not at request - FX risk on the user
  • Prediction markets only - no casino games

Affiliate & referral program

The full sitemap (46 URLs) contains no referral, affiliate or earn route. The /creators pages cover the site's content marketplace, not gambling referrals.

Compared in detail on Best affiliate programs. Checked 2026-09-08.

Ready to try 0xnull? Start with a small test deposit - minimum in, one round, one withdrawal.

Visit 0xnull or compare all XMR casinos →

// 0xnull FAQ

Is 0xnull legit?

Based on our checks as of 2026-09-13: 0xnull scores 6.2/10 in our weighted review. License status is documented in the facts table. We logged 6 red flags (listed above). Player reports and operator background are documented with dated sources in the meta-review below.

Does 0xnull accept Monero?

Yes, 0xnull supports Monero natively.

Is KYC required?

No, 0xnull has no KYC requirements.

How fast are withdrawals?

Withdrawals are queued and processed by a payout worker, with no public SLA.

Is 0xnull provably fair?

No, 0xnull's games are not provably fair.

What is the minimum deposit?

The minimum deposit amount in XMR is not specified.

Does 0xnull allow VPN/Tor usage?

Yes, VPN and Tor usage are allowed.

Is there a welcome bonus?

No, 0xnull does not offer a welcome bonus.

// The meta-review: what the internet says about 0xnull

We do not expect you to trust us. This review is a meta-review: below you see what other review sites claim, what players report on Reddit, forums and watchdog sites, and who actually operates 0xnull. Every claim links to its source so you can verify it yourself. Our verdict forms from these sources plus our own fact checks - not the other way around.

// What other reviewers say (2)

Heads-up: most crypto casino "reviews" are affiliate content. We mark our reliability judgement on every source and include critical voices deliberately.

monerica.com no reviews yet neutral

Monerica directory listing: 0xnull

Status 'Admitted' - explicitly NOT verified by Monerica. Founded 2025-12-06, added 2025-12-20. KYC policy 'Not Stated'. Tagline: 'XMR only. 0.4% rake. Winners always get paid.' Zero user reviews.

source dated n.d. · verified by us 2026-09-01 · HTTP 200 · established track record
blog.monerica.com ranked #6 of 9 positive

Best Monero Casinos (2026): No-KYC XMR Casino & Gambling Sites

Ranks 0xnull #6: 'anonymous prediction market for sports and esports where everything is settled in Monero... 0.4% rake, which is relatively low... Markets emphasize that winners always get paid.' No payout verification behind the claim.

source dated 2026-07-27 · verified by us 2026-09-01 · HTTP 200 · known site, treat as indicative

// What players say (1)

Reddit, forums, complaint boards. Anecdotes, not proof - but patterns across threads are the best early-warning system this industry has.

reddit (via pullpush.io) neutral

Zero Reddit footprint for 0xnull.io

6 submissions matching '0xnull' are all unrelated (a 2020 r/regina username dispute, an unrelated Reddit user handle). Zero submissions or comments discuss 0xnull.io. No community vetting exists.

source dated n.d. · verified by us 2026-09-01 · known site, treat as indicative

// Who is behind 0xnull?

Ownership in offshore gambling is often deliberately opaque. This is what we could verify - with sources. Confidence: unknown ownership (checked 2026-09-01).

OperatorUnknown (anonymous)
Legal entityNo legal entity published; terms reference only '0xNull Marketplace, its operators, developers, affiliates and agents'
Registered inunknown

Other sites run by the same operator/network:

  • 0xNull Marketplace
  • 0xNull VPS
  • 0xNull Phone/eSIM
  • 0xNull AI/Voice
  • 0xNull Lending
  • 0xNull Swaps
  • 0xNull Creators

Anonymous team with explicit cypherpunk ideology (philosophy page quotes Tim May/Eric Hughes; 'systems that work regardless of legal jurisdiction'). Monerica founding date 2025-12-06; first Wayback capture 2026-01-07. Prediction markets are one product line of a broader anonymous-services platform. PGP key + warrant canary + Tor onion provide identity continuity but no accountability. Backend visibly built on a hosted Supabase project. No license, no company registration, no responsible-gambling page found.

// AI fact summary - everything we know, compressed

Generated by Llama on 2026-09-13 from our fact database plus the 9 linked sources above. It summarizes - it does not add facts. Check anything that matters against the linked sources.

  1. Bottom line: 0xnull is a Monero-only prediction market with a 0.4% rake, but it has a custodial model where deposits become USD-denominated ledger entries held by an anonymous operator. The platform has no license, no company registration, and no responsible-gambling page. Players should be aware of the risks involved, including the lack of dispute resolution and the operator's control over payouts.
  2. The XMR truth: 0xnull accepts Monero and has a native XMR support, but the conversion rate is only fixed at withdrawal processing time, and the operator has control over the payout worker. The platform uses a custodial model, which may raise concerns about the security and transparency of funds.
  3. Payout reality: The payout process is not instant, and withdrawals are queued and processed by a payout worker. The XMR amount is converted at the live rate at processing time, and the backend has the final say on destination formats. There is no public SLA, and the minimum bet is $0.20, while the maximum bet is $10,000.
  4. What reviewers say vs what players say: Reviewers have ranked 0xnull #6 in a list of Monero casinos, citing its low 0.4% rake and anonymous prediction market. However, there are no independent payout reports, and the platform has zero Reddit and bitcointalk footprint. Players should be cautious of the lack of community vetting and the operator's anonymous nature.
  5. Who runs it: The operator of 0xnull is unknown and anonymous, with no legal entity published. The platform is part of a broader anonymous-services platform, including a marketplace, VPS, phone numbers, AI services, lending, and swaps. The operator has a cypherpunk ideology and provides a PGP-signed warrant canary, but this does not provide accountability.

// Sources & how this review was built

Every external source used on this page, with the date we fetched it. Methodology: how we verify. Sources disappear or change - if a link is dead, tell us via contact.

  1. [1] community reddit (via pullpush.io) - Zero Reddit footprint for 0xnull.io fetched 2026-09-01
  2. [2] operator 0xnull.io (operator) - Prediction market mechanics (PredictionMarketsV2, bettingConfig, HowBettingWorks JS chunks) fetched 2026-09-01 · HTTP 200
  3. [3] operator 0xnull.io (operator) - Token cashout mechanics (TokenCashout JS chunk) fetched 2026-09-01 · HTTP 200
  4. [4] operator 0xnull.io (operator) - Terms of Service (Terms JS chunk) fetched 2026-09-01 · HTTP 200
  5. [5] operator 0xnull.io - Live markets API: 328 unresolved markets, 152 open for betting fetched 2026-09-06 · HTTP 200
  6. [6] operator 0xnull.io (operator) - Warrant canary (Canary JS chunk) fetched 2026-09-01 · HTTP 200
  7. [7] review monerica.com - Monerica directory listing: 0xnull fetched 2026-09-01 · HTTP 200
  8. [8] review blog.monerica.com - Best Monero Casinos (2026): No-KYC XMR Casino & Gambling Sites dated 2026-07-27 · fetched 2026-09-01 · HTTP 200
  9. [9] watchdog web.archive.org - Wayback CDX history for 0xnull.io fetched 2026-09-01 · HTTP 200

Initial database sources (pre meta-review):

// Rate 0xnull

Community score: no ratings yet

One rating per player and casino. Smoothed display (statistical prior) prevents single-vote manipulation.

// Player comments (0)

No comments yet - be the first. Posting costs a tiny XMR micropayment (~US$0.08, anti-spam), no account needed.

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