The mysterious team that dominated Solana for three months is now launching their own coin on Jupiter?
An anonymous team with no official website or community has devoured nearly half of the transaction volume on Jupiter in just 90 days.
To delve deeper into this mysterious project, we must first witness an ongoing on-chain transaction revolution happening on Solana.
HumidiFi accounts for 42% of Jupiter's transaction volume
Source: Dune, @ilemi
How Proprietary AMMs Are Restructuring On-Chain Transactions
In the context of AMMs, toxic order flow refers to high-frequency arbitrageurs leveraging low-latency connections and advanced algorithms to preemptively capture price differentials and swiftly arbitrage the price delta between on-chain and price-discovery venues (typically centralized exchanges like Binance). The profits taken by these toxic order flows are ultimately borne by traders, liquidity providers, and on-chain market makers.
In traditional financial markets that utilize a Central Limit Order Book (CLOB) to match trades, professional market makers can cope with toxic order flow in various ways (such as adjusting spreads or pausing quotes). By analyzing order flow patterns, they can identify traders with an informational edge and adjust quotes accordingly to mitigate losses caused by adverse selection. Therefore, market makers operating on Solana naturally opted for DEXes like Phoenix that employ a CLOB. However, during Solana's "meme frenzy" period from 2024 to early 2025, the Solana network, overwhelmed by unprecedented demand, struggled to handle market maker orders, and updating quotes required significant expensive computation, leading to a steep increase in market makers' costs.
A series of thorny practical issues is compelling a cohort of the most seasoned AMM market makers to fundamentally rethink how on-chain markets operate, giving rise to a revolutionary new market structure.
This new paradigm is known as a Proprietary AMM (Prop AMM), aiming to provide lower spreads and more efficient liquidity on-chain while minimizing the risk of exploitation by high-frequency arbitrageurs.
SolFi, ZeroFi, and Obric were the initial triumvirate of Proprietary AMMs, which did not expose contract interfaces publicly but instead directly provided interfaces to major trading routes like Jupiter and demanded that Jupiter route orders to their AMMs. This design makes it extremely difficult for external professional arbitrageurs like Wintermute to directly interact with the contracts as they cannot comprehend or predict the trading logic, thereby preventing the replacement of market maker quotes and the adverse selection problem of informational advantaged entities.

In February 2025, SolFi, ZeroFi, and Obric were the three main proprietary AMMs.
Source: Dune @the_defi_report
HumidiFi's Blitzkrieg
The competition among proprietary AMMs had heated up by July 2025, and a project called HumidiFi rapidly reshaped the entire market landscape.
HumidiFi officially launched in mid-June 2025, and just two months later, it had captured 47.1% of all proprietary AMM trading volume, establishing itself as the undisputed market leader. In contrast, the former dominator SolFi saw its market share plummet from 61.8% two months prior to 9.2%.

Source: Dune @the_defi_report
HumidiFi's dominance was particularly evident in the SOL/USDC trading pair. On October 28th, HumidiFi processed $1.08 billion in SOL/USDC trades in a single day, accounting for 64.3% of that day's total volume for the pair.

Source: Dune @the_defi_report
HumidiFi also exhibited a high penetration rate in the Jupiter routing. As an aggregator that holds an 86.4% market share on Solana, Jupiter's routing choices largely dictate traders' actual experiences. Data from October 20th showed that HumidiFi held a market share of 46.8% in Jupiter, more than four times that of the second-place TesseraV (10.7%).

Source: Dune @the_defi_report
Zooming out to the entire self-custody AMM ecosystem, HumidiFi's dominance remains strong. On October 28, the total trading volume of all self-custody AMMs reached $21.8 billion, with HumidiFi alone occupying $13.5 billion, accounting for a significant 61.9%. This number not only far exceeds the second-place SolFi's $3.09 billion but even surpasses the total trading volume of competitors ranked 2-8.

Source: Dune @the_defi_report
This victory of HumidiFi was achieved almost in complete "stealth" mode. It had no official website, no early Twitter account, and no information about team members was ever disclosed.
HumidiFi doesn't need marketing, airdrops, or storytelling. It only needs to provide better price spreads and execution prices than its competitors in every transaction. When Jupiter's routing algorithm repeatedly chose HumidiFi, the market had already cast its vote in its own way.
The Race to the Limits of Speed and Cost
The key to HumidiFi's success lies in compressing the computational cost of oracle updates to the extreme and cleverly converting this technological advantage into absolute market dominance through the Jito auction mechanism.
Firstly, HumidiFi has low resource consumption. According to data provided by @bqbrady, each oracle update of HumidiFi consumes only 799 CUs (Compute Units). In comparison, its main competitor SolFi requires 4339 CUs. TesseraV, operated by top market maker Wintermute, also needs 1,595 CUs, which is double that of HumidiFi.

Source: X, @bqbrady
HumidiFi also leveraged its advantage of low CU consumption to gain absolute transaction priority in Solana's MEV infrastructure Jito auction. In the Jito auction, transaction priority is not determined by an absolute tip but by a Tip per CU. HumidiFi pays around 4,998 lamports as a fee for each oracle update. Due to its extremely low CU consumption (799 CUs), its Tip per CU ratio reaches an astonishing 6.25 lamports/CU.

According to data provided by Brennan Watt, an engineer at Anza, a core developer of Solana, HumidiFi used 6 times less CU than the former flagship SolFi Prop AMM and paid over 8 times more in gas fees.
Another key advantage of HumidiFi is the oracle update frequency. HumidiFi updates its oracle 17 times per second, far exceeding its main competitors (SolFi at 13 times, TesseraV at 11 times, and ZeroFi at 10 times).
In the intense volatility of the cryptocurrency market, this almost real-time price tracking ability enables it to always peg near fair value, avoiding opportunities for arbitrageurs, and providing tighter liquidity without the need to self-protect through widening spreads.
Furthermore, HumidiFi has also done well in cost control. HumidiFi's daily operating cost is only $2,247. In comparison, although SolFi manages 5 times the assets under management (AUM) of HumidiFi ($80 billion vs. $16 billion), its daily cost is only 20% lower than HumidiFi at $1,785.
WET Token Launches on Jupiter DTF

During the community call on the evening of October 30, the Jupiter team announced their ICO platform DTF's inaugural launch project: HumidiFi, with the token symbol WET.

According to the disclosed demo webpage, the allocation is divided into three parts:
A whitelist (acquisition rules to be determined) can ensure a portion of the allocation.
JUP stakers can secure an allocation based on their staked amount.
The public allocation follows a first-come, first-served (FCFS) model, with immediate on-chain circulation once filled, without a lock-up period.

It is worth noting that the HumidiFi team explicitly stated on Twitter that there are "no VC allocations," which is particularly rare in the current market environment dominated by VC presales and low-circulating high FDV projects.
Proprietary AMM is a "winner-takes-all" race, and HumidiFi has achieved its dominant position today based on its technological prowess. However, this also means that once a new competitor makes a breakthrough in CU efficiency or oracle speed, it could quickly erode its market share. This Prop AMM war is clearly just beginning.
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Foreword: Today, the People's Bank of China's website published the "Notice of the People's Bank of China, National Development and Reform Commission, Ministry of Industry and Information Technology, Ministry of Public Security, State Administration for Market Regulation, China Banking and Insurance Regulatory Commission, China Securities Regulatory Commission, State Administration of Foreign Exchange on Further Preventing and Dealing with Risks Related to Virtual Currency and Others (Yinfa [2026] No. 42)", the latest regulatory requirements from the eight departments including the central bank, which are basically consistent with the regulatory requirements of recent years. The main focus of the regulation is on speculative activities such as virtual currency trading, exchanges, ICOs, overseas platform services, and this time, regulatory oversight of RWA has been added, explicitly prohibiting RWA tokenization, stablecoins (especially those pegged to the RMB). The following is the full text:
To the people's governments of all provinces, autonomous regions, and municipalities directly under the Central Government, the Xinjiang Production and Construction Corps:
Recently, there have been speculative activities related to virtual currency and Real-World Assets (RWA) tokenization, disrupting the economic and financial order and jeopardizing the property security of the people. In order to further prevent and address the risks related to virtual currency and Real-World Assets tokenization, effectively safeguard national security and social stability, in accordance with the "Law of the People's Republic of China on the People's Bank of China," "Law of the People's Republic of China on Commercial Banks," "Securities Law of the People's Republic of China," "Law of the People's Republic of China on Securities Investment Funds," "Law of the People's Republic of China on Futures and Derivatives," "Cybersecurity Law of the People's Republic of China," "Regulations of the People's Republic of China on the Administration of Renminbi," "Regulations on Prevention and Disposal of Illegal Fundraising," "Regulations of the People's Republic of China on Foreign Exchange Administration," "Telecommunications Regulations of the People's Republic of China," and other provisions, after reaching consensus with the Cyberspace Administration of China, the Supreme People's Court, and the Supreme People's Procuratorate, and with the approval of the State Council, the relevant matters are notified as follows:
(I) Virtual currency does not possess the legal status equivalent to fiat currency. Virtual currencies such as Bitcoin, Ether, Tether, etc., have the main characteristics of being issued by non-monetary authorities, using encryption technology and distributed ledger or similar technology, existing in digital form, etc. They do not have legal tender status, should not and cannot be circulated and used as currency in the market.
The business activities related to virtual currency are classified as illegal financial activities. The exchange of fiat currency and virtual currency within the territory, exchange of virtual currencies, acting as a central counterparty in buying and selling virtual currencies, providing information intermediary and pricing services for virtual currency transactions, token issuance financing, and trading of virtual currency-related financial products, etc., fall under illegal financial activities, such as suspected illegal issuance of token vouchers, unauthorized public issuance of securities, illegal operation of securities and futures business, illegal fundraising, etc., are strictly prohibited across the board and resolutely banned in accordance with the law. Overseas entities and individuals are not allowed to provide virtual currency-related services to domestic entities in any form.
A stablecoin pegged to a fiat currency indirectly fulfills some functions of the fiat currency in circulation. Without the consent of relevant authorities in accordance with the law and regulations, any domestic or foreign entity or individual is not allowed to issue a RMB-pegged stablecoin overseas.
(II)Tokenization of Real-World Assets refers to the use of encryption technology and distributed ledger or similar technologies to transform ownership rights, income rights, etc., of assets into tokens (tokens) or other interests or bond certificates with token (token) characteristics, and carry out issuance and trading activities.
Engaging in the tokenization of real-world assets domestically, as well as providing related intermediary, information technology services, etc., which are suspected of illegal issuance of token vouchers, unauthorized public offering of securities, illegal operation of securities and futures business, illegal fundraising, and other illegal financial activities, shall be prohibited; except for relevant business activities carried out with the approval of the competent authorities in accordance with the law and regulations and relying on specific financial infrastructures. Overseas entities and individuals are not allowed to illegally provide services related to the tokenization of real-world assets to domestic entities in any form.
(III) Inter-agency Coordination. The People's Bank of China, together with the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Public Security, the State Administration for Market Regulation, the China Banking and Insurance Regulatory Commission, the China Securities Regulatory Commission, the State Administration of Foreign Exchange, and other departments, will improve the work mechanism, strengthen coordination with the Cyberspace Administration of China, the Supreme People's Court, and the Supreme People's Procuratorate, coordinate efforts, and overall guide regions to carry out risk prevention and disposal of virtual currency-related illegal financial activities.
The China Securities Regulatory Commission, together with the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Public Security, the People's Bank of China, the State Administration for Market Regulation, the China Banking and Insurance Regulatory Commission, the State Administration of Foreign Exchange, and other departments, will improve the work mechanism, strengthen coordination with the Cyberspace Administration of China, the Supreme People's Court, and the Supreme People's Procuratorate, coordinate efforts, and overall guide regions to carry out risk prevention and disposal of illegal financial activities related to the tokenization of real-world assets.
(IV) Strengthening Local Implementation. The people's governments at the provincial level are overall responsible for the prevention and disposal of risks related to virtual currencies and the tokenization of real-world assets in their respective administrative regions. The specific leading department is the local financial regulatory department, with participation from branches and dispatched institutions of the State Council's financial regulatory department, telecommunications regulators, public security, market supervision, and other departments, in coordination with cyberspace departments, courts, and procuratorates, to improve the normalization of the work mechanism, effectively connect with the relevant work mechanisms of central departments, form a cooperative and coordinated working pattern between central and local governments, effectively prevent and properly handle risks related to virtual currencies and the tokenization of real-world assets, and maintain economic and financial order and social stability.
(5) Enhanced Risk Monitoring. The People's Bank of China, China Securities Regulatory Commission, National Development and Reform Commission, Ministry of Industry and Information Technology, Ministry of Public Security, State Administration of Foreign Exchange, Cyberspace Administration of China, and other departments continue to improve monitoring techniques and system support, enhance cross-departmental data analysis and sharing, establish sound information sharing and cross-validation mechanisms, promptly grasp the risk situation of activities related to virtual currency and real-world asset tokenization. Local governments at all levels give full play to the role of local monitoring and early warning mechanisms. Local financial regulatory authorities, together with branches and agencies of the State Council's financial regulatory authorities, as well as departments of cyberspace and public security, ensure effective connection between online monitoring, offline investigation, and fund tracking, efficiently and accurately identify activities related to virtual currency and real-world asset tokenization, promptly share risk information, improve early warning information dissemination, verification, and rapid response mechanisms.
(6) Strengthened Oversight of Financial Institutions, Intermediaries, and Technology Service Providers. Financial institutions (including non-bank payment institutions) are prohibited from providing account opening, fund transfer, and clearing services for virtual currency-related business activities, issuing and selling financial products related to virtual currency, including virtual currency and related financial products in the scope of collateral, conducting insurance business related to virtual currency, or including virtual currency in the scope of insurance liability. Financial institutions (including non-bank payment institutions) are prohibited from providing custody, clearing, and settlement services for unauthorized real-world asset tokenization-related business and related financial products. Relevant intermediary institutions and information technology service providers are prohibited from providing intermediary, technical, or other services for unauthorized real-world asset tokenization-related businesses and related financial products.
(7) Enhanced Management of Internet Information Content and Access. Internet enterprises are prohibited from providing online business venues, commercial displays, marketing, advertising, or paid traffic diversion services for virtual currency and real-world asset tokenization-related business activities. Upon discovering clues of illegal activities, they should promptly report to relevant departments and provide technical support and assistance for related investigations and inquiries. Based on the clues transferred by the financial regulatory authorities, the cyberspace administration, telecommunications authorities, and public security departments should promptly close and deal with websites, mobile applications (including mini-programs), and public accounts engaged in virtual currency and real-world asset tokenization-related business activities in accordance with the law.
(8) Strengthened Entity Registration and Advertisement Management. Market supervision departments strengthen entity registration and management, and enterprise and individual business registrations must not contain terms such as "virtual currency," "virtual asset," "cryptocurrency," "crypto asset," "stablecoin," "real-world asset tokenization," or "RWA" in their names or business scopes. Market supervision departments, together with financial regulatory authorities, legally enhance the supervision of advertisements related to virtual currency and real-world asset tokenization, promptly investigating and handling relevant illegal advertisements.
(IX) Continued Rectification of Virtual Currency Mining Activities. The National Development and Reform Commission, together with relevant departments, strictly controls virtual currency mining activities, continuously promotes the rectification of virtual currency mining activities. The people's governments of various provinces take overall responsibility for the rectification of "mining" within their respective administrative regions. In accordance with the requirements of the National Development and Reform Commission and other departments in the "Notice on the Rectification of Virtual Currency Mining Activities" (NDRC Energy-saving Building [2021] No. 1283) and the provisions of the "Guidance Catalog for Industrial Structure Adjustment (2024 Edition)," a comprehensive review, investigation, and closure of existing virtual currency mining projects are conducted, new mining projects are strictly prohibited, and mining machine production enterprises are strictly prohibited from providing mining machine sales and other services within the country.
(X) Severe Crackdown on Related Illegal Financial Activities. Upon discovering clues to illegal financial activities related to virtual currency and the tokenization of real-world assets, local financial regulatory authorities, branches of the State Council's financial regulatory authorities, and other relevant departments promptly investigate, determine, and properly handle the issues in accordance with the law, and seriously hold the relevant entities and individuals legally responsible. Those suspected of crimes are transferred to the judicial authorities for processing according to the law.
(XI) Severe Crackdown on Related Illegal and Criminal Activities. The Ministry of Public Security, the People's Bank of China, the State Administration for Market Regulation, the China Banking and Insurance Regulatory Commission, the China Securities Regulatory Commission, as well as judicial and procuratorial organs, in accordance with their respective responsibilities, rigorously crack down on illegal and criminal activities related to virtual currency, the tokenization of real-world assets, such as fraud, money laundering, illegal business operations, pyramid schemes, illegal fundraising, and other illegal and criminal activities carried out under the guise of virtual currency, the tokenization of real-world assets, etc.
(XII) Strengthen Industry Self-discipline. Relevant industry associations should enhance membership management and policy advocacy, based on their own responsibilities, advocate and urge member units to resist illegal financial activities related to virtual currency and the tokenization of real-world assets. Member units that violate regulatory policies and industry self-discipline rules are to be disciplined in accordance with relevant self-regulatory management regulations. By leveraging various industry infrastructure, conduct risk monitoring related to virtual currency, the tokenization of real-world assets, and promptly transfer issue clues to relevant departments.
(XIII) Without the approval of relevant departments in accordance with the law and regulations, domestic entities and foreign entities controlled by them may not issue virtual currency overseas.
(XIV) Domestic entities engaging directly or indirectly in overseas external debt-based tokenization of real-world assets, or conducting asset securitization activities abroad based on domestic ownership rights, income rights, etc. (hereinafter referred to as domestic equity), should be strictly regulated in accordance with the principles of "same business, same risk, same rules." The National Development and Reform Commission, the China Securities Regulatory Commission, the State Administration of Foreign Exchange, and other relevant departments regulate it according to their respective responsibilities. For other forms of overseas real-world asset tokenization activities based on domestic equity by domestic entities, the China Securities Regulatory Commission, together with relevant departments, supervise according to their division of responsibilities. Without the consent and filing of relevant departments, no unit or individual may engage in the above-mentioned business.
(15) Overseas subsidiaries and branches of domestic financial institutions providing Real World Asset Tokenization-related services overseas shall do so legally and prudently. They shall have professional personnel and systems in place to effectively mitigate business risks, strictly implement customer onboarding, suitability management, anti-money laundering requirements, and incorporate them into the domestic financial institutions' compliance and risk management system. Intermediaries and information technology service providers offering Real World Asset Tokenization services abroad based on domestic equity or conducting Real World Asset Tokenization business in the form of overseas debt for domestic entities directly or indirectly venturing abroad must strictly comply with relevant laws and regulations. They should establish and improve relevant compliance and internal control systems in accordance with relevant normative requirements, strengthen business and risk control, and report the business developments to the relevant regulatory authorities for approval or filing.
(16) Strengthen organizational leadership and overall coordination. All departments and regions should attach great importance to the prevention of risks related to virtual currencies and Real World Asset Tokenization, strengthen organizational leadership, clarify work responsibilities, form a long-term effective working mechanism with centralized coordination, local implementation, and shared responsibilities, maintain high pressure, dynamically monitor risks, effectively prevent and mitigate risks in an orderly and efficient manner, legally protect the property security of the people, and make every effort to maintain economic and financial order and social stability.
(17) Widely carry out publicity and education. All departments, regions, and industry associations should make full use of various media and other communication channels to disseminate information through legal and policy interpretation, analysis of typical cases, and education on investment risks, etc. They should promote the illegality and harm of virtual currencies and Real World Asset Tokenization-related businesses and their manifestations, fully alert to potential risks and hidden dangers, and enhance public awareness and identification capabilities for risk prevention.
(18) Engaging in illegal financial activities related to virtual currencies and Real World Asset Tokenization in violation of this notice, as well as providing services for virtual currencies and Real World Asset Tokenization-related businesses, shall be punished in accordance with relevant regulations. If it constitutes a crime, criminal liability shall be pursued according to the law. For domestic entities and individuals who knowingly or should have known that overseas entities illegally provided virtual currency or Real World Asset Tokenization-related services to domestic entities and still assisted them, relevant responsibilities shall be pursued according to the law. If it constitutes a crime, criminal liability shall be pursued according to the law.
(19) If any unit or individual invests in virtual currencies, Real World Asset Tokens, and related financial products against public order and good customs, the relevant civil legal actions shall be invalid, and any resulting losses shall be borne by them. If there are suspicions of disrupting financial order and jeopardizing financial security, the relevant departments shall deal with them according to the law.
This notice shall enter into force upon the date of its issuance. The People's Bank of China and ten other departments' "Notice on Further Preventing and Dealing with the Risks of Virtual Currency Trading Speculation" (Yinfa [2021] No. 237) is hereby repealed.

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HumidiFi accounts for 42% of Jupiter's transaction volume