Quantus coin (QTC) is the native asset of Quantus, a proof-of-work Layer 1 built from day one to use post-quantum signatures, on the theory that future quantum computers will break the elliptic-curve cryptography securing Bitcoin and Ethereum. It reached #1 on CoinGecko's trending list on October 20, 2026, but the chain is barely six weeks old (mainnet launched September 9, 2026) and only about 1.4% of its 21 million cap is circulating. This guide uses the Quantus whitepaper and CoinGecko data as of October 20, 2026 (UTC) to explain what it is, how supply works, where it trades, and what to verify before you buy.

What is Quantus coin? A post-quantum proof-of-work chain

Quantus describes itself as peer-to-peer electronic cash for the quantum era. According to whitepaper v0.4.1, it is deliberately not a smart contract platform. It aims to be closer to Bitcoin, Monero or Zcash than to Ethereum or Solana. That means there are no other tokens on the chain, no DeFi apps, and no staking yield. QTC is simply money that you mine, hold and send.

The four design choices that matter

• Post-quantum signatures. Every transaction is signed with ML-DSA, the lattice-based scheme standardized by NIST. The whitepaper says ML-DSA-65 is the wallet default, with ML-DSA-87 available for a higher security level. There are no legacy ECDSA addresses at all.
• Encrypted node traffic. Peer-to-peer connections use ML-KEM-768 for encryption, so the networking layer is post-quantum too.
• Proof-of-work with Poseidon2. Mining swaps Bitcoin's SHA-256 for the Poseidon2 hash, with a 12-second block target. The whitepaper is explicit that this is for zero-knowledge proof compatibility, not quantum security.
• Zero-knowledge 'wormhole' addresses. Post-quantum signatures are huge, so Quantus aggregates transfers into ZK proofs. The same mechanism powers encrypted transfers that break the on-chain link between sender and receiver.

Signature size is the core engineering problem. The whitepaper's own table puts an ML-DSA-87 signature at 4,627 bytes versus 65 bytes for ECDSA, roughly 70 times larger. The project claims about 43 to 58 transparent transfers per second and around 430 per second for aggregated encrypted transfers. Treat those as the team's theoretical figures, not independently measured throughput.

How the launch went

The team's mainnet update says genesis was September 9, 2026, that more than 7,000 GPUs started mining immediately, and that the average cost to mine one QTC in the first week was an estimated $20 to $35. At that point the only way to get QTC was to mine it, so today's market float comes from mined coins plus a small company liquidity allocation.

Why Quantus is trending on CoinGecko: the numbers

A CoinGecko trending rank reflects search and page-view interest, not a quality rating. The market data on October 20, 2026 at 06:41 UTC shows both why traders are looking and why caution is warranted.

The gap between circulating and total supply is the number to focus on. Market cap counts only 293,223 QTC, yet 5,748,382 QTC already exist and most of them are locked. A market-cap-to-FDV ratio of about 5% means far more coins are scheduled to reach the market than are trading today.

The chart has been extreme. According to a Phemex Academy analysis, QTC rose about 462% between the September 27 and October 2 daily closes on CoinGecko, then closed October 4 about 38% below the October 2 close. When price is set on a thin float, modest orders move it a lot.

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Supply and unlocks: the 27% genesis mint and the 2027 cliff

The whitepaper caps supply at 21,000,000 QTC. Of that, 27% (5,670,000 QTC) was minted once at genesis, and the other 73% (15,330,000 QTC) can only be mined. The block reward is (max supply - current supply) / 50,000,000, so it decays smoothly instead of halving every four years.

Two risks follow. First, concentration of the liquid 1%. Phemex, citing explorer data, reported that on October 5, 2026 the treasury account sent 199,950 of its 210,000 QTC to a single wallet, which then held roughly 73% of circulating supply. How those coins reach the market will matter a lot for price.

Second, the September 2027 cliff. Locked investor, team and company coins begin vesting on September 9, 2027 and continue for three years. Phemex estimates that at about 4,948 QTC per day, which would add the entire current float of 293,223 QTC roughly every two months. Unless demand grows to match, that is a long-running source of sell pressure.

Where QTC trades and how deep the market is

CoinGecko's market list on October 20, 2026 shows two main routes. One is the NEAR ecosystem, where a bridged version of QTC (QTC.OMFT.NEAR) trades against USDC, NEAR and other assets on NEAR Intents and the decentralized exchange Rhea Finance. The other is smaller centralized exchanges: BigONE (QTC/USDT) and SafeTrade (listed as QUANTUS/USDT). Large exchanges such as Coinbase, Kraken or Binance did not appear on that list.

• Bridged is not native. QTC on NEAR is a bridged representation. Moving it back to a Quantus wallet adds bridge fees, delays and the security of whoever operates the bridge.
• Wide spreads. The same day, CoinGecko showed bid-ask spreads of about 1.1% on BigONE and about 1.26% on SafeTrade, far wider than for large-cap coins. Market orders of any size can fill well away from the quoted price.
• Fragmented pricing. With liquidity split across venues, prices can drift apart temporarily, but deposit and bridge delays make those gaps hard to capture in practice.

If you want to see how cross-exchange price gaps form and why they do not close instantly, theddari's arbitrage view shows the pattern on more liquid coins.

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Quantus coin checklist: five things to verify before buying

1. 1

   Confirm you are buying real QTC

   Quantus has no smart contracts, so a 'Quantus' or 'QTC' token on Ethereum, Solana, BNB Chain or Base is not the real coin. Phemex counted at least 13 tokens using the name or ticker across five chains on DexScreener on October 5. Meme coins such as Quantus Cat (QCAT) on NEAR are also unrelated. Start from the official site link on the CoinGecko page and match the venues.

2. 2

   Compare float, FDV and the unlock schedule

   Check circulating supply, total supply and FDV on CoinGecko against the lockups in the whitepaper. Watch the large treasury-funded wallet and, closer to September 9, 2027, the vesting flow, using the official explorer at explorer.quantus.com.

3. 3

   Check the venue and withdrawal path

   Make sure the exchange actually appears in CoinGecko's market list, is permitted to serve customers where you live, and has QTC deposits and withdrawals open. If you buy the NEAR version, learn how the bridge works before you need it.

4. 4

   Look for published audits

   Phemex reported on October 5 that audits of the ML-DSA code and of Poseidon2 and the mining algorithm were complete but their report links were still pending, while the audit of the zero-knowledge wormhole circuits was in progress. Check whether those reports are now public. The project's security policy states there is no fixed bug bounty.

5. 5

   Ignore airdrop and wallet impersonators

   Per Phemex's summary of the project's update, the testnet miner airdrop can only be claimed in the official Quantus mobile app, with a December 1 deadline. Treat any other claim website, or any message asking for your seed phrase, as a scam.

Open questions and risks that remain

The quantum threat Quantus is built around is a real research topic, but nobody can date it. The whitepaper itself says a cryptographically relevant quantum computer could arrive within five years, not that it will. It also lists its own risks: lattice cryptography is newer and less battle-tested than elliptic curves, and a bug in the ZK circuits or verifier could cause unintended inflation. Even if the thesis is right, how much of it the price already reflects is a separate question.

• Short track record. A chain that started on September 9, 2026 has no long history of surviving attacks or upgrades.
• Miner selling. When price sits well above mining cost, miners have a steady reason to sell, and cost estimates change as difficulty rises.
• Holder concentration. If a few wallets hold much of the float, a single large transfer can move the market.
• Access and compliance. Without listings on major regulated exchanges, buyers rely on smaller or decentralized venues and must handle withdrawal limits and tax reporting on their own.

Bottom line: Quantus is a working chain with a public whitepaper and a named team, but as of October 2026 its price is set on a float of roughly 1.4% of the 21 million cap. If you are considering it, verify that you are buying genuine QTC, map the unlock schedule and concentrated wallets, confirm your exit route, and check whether audit reports have been published, sizing any position to an amount you can afford to lose entirely.