On May 31, 2026, according to AiCoin data, BNB, which was originally oscillating narrowly between $688 and $692, with a 24-hour increase of about 7.8%, swiftly broke through both the $690 and $700 thresholds on the same day. The 24-hour increase expanded to approximately 8.8%–10.2%, corresponding to a net inflow of about $61.93 million for BNB contracts across the network, surging about 770% compared to earlier periods, with a spot net inflow of about $15.23 million, an increase of about 79%. The bulls pressed the accelerator simultaneously on both leverage and spot levels. At the same time this price and fund curve was "straightened out," the decentralized sales and locking platform DxSale released a security statement confirming a compatibility vulnerability between the atomic transactions feature that BNB Chain had launched earlier and the v1 locking contract deployed in 2021, resulting in losses amounting to about $7.3 million in that batch of old v1 pools, while the BNB price still remained above $700; concurrently, Binance co-founder CZ hinted on social media that a new product would be announced on June 1, leading the market to connect this with potential US stock-related channels. Although specific forms have not yet been officially confirmed, it has been viewed as an important narrative expectation for this round of market movements. Under the intertwining clues of optimistic prices, net inflows of funds, and chain security concerns, an unavoidable question arises: when contracts and spot funds compete to flood in, and prices vote with their feet to bet on new product expectations, the risks of old contracts exposed by BNB Chain are buried behind this sentiment. Is this misalignment a short-term selective neglect or a proactive bet by the market on the risk-reward structure?
BNB Breaks $700: Heating Up on Both Contract and Spot Ends
In the media context of CZ’s new product announcement, BNB first consolidated around the $688–$692 range, with a single-day increase of about 7.8%, testing the market’s patience before a critical threshold. The real acceleration happened on May 31, 2026, when BNB surpassed both the $690 and $700 levels during the session, pulling the 24-hour increase up to approximately 8.8%–10.2%, transforming from a "high position oscillation" to a clear upward trend, with the price curve completing a rhythm shift within the day.
According to AiCoin data, this rhythm shift was not merely pulled by sentiment: the net inflow of BNB contracts across the network was about $61.93 million, expanding about 770% compared to previous stages, while the spot net inflow was about $15.23 million, which increased by approximately 79%. The more aggressive capital expansion on the contract side, combined with steady incremental gains on the spot side, meant that this breakthrough not only saw prices rise above $700 but also represented "declarations" accomplished in both leverage and spot dimensions. Compared to previous upward movements that relied more on a gradual rise, this round is rare in achieving resonance of price and net inflows within the same time window. Above the $700 threshold, the market left behind a set of bullish trajectories validated by capital, rather than being purely supported by expectations for short-term highs.
CZ's New Product Preview and Unconfirmed US Stock Imagination
During the same period when prices and funds had already provided bullish answers, the narrative was ignited by a "casual preview" from CZ. He stated on social media that a new product would be announced on June 1, adding half-jokingly, “It’s time to announce something again... Hopefully, it’s worth the anticipation,” without offering any details, yet giving the market plenty of imaginative space. Almost synchronously, several community members began to align this preview with stories of "Binance opening US stock investment channels" or "launching tokenized equity products," and relevant discussions were repeatedly amplified in forums and groups, highly overlapping with the timeframe of increased net inflows for BNB contracts and spot trades, leading many participants to attribute this upward movement to a "new story in the fundamentals.”
However, as of May 31, 2026, Binance had not disclosed the specific form of this new product, nor was there any officially confirmed plan or launch timeline related to US stocks. The frequently mentioned "US stock channel" and "US stock tokenized products" remained at the rumor level in the market and could only be seen as expectations rather than solid fundamental changes that have materialized. According to AiCoin data, the capital that had entered previously was more about genuine positions betting on such expectations; during the process of breaking through the $690 and $700 levels, the narrative surrounding "Binance's US stock channels" had played a role in amplifying sentiment, but it had also sown risks — should the product announced on June 1 significantly deviate from these imaginations, the current chain of bulls driven by expectations could shift from "story amplification" to "expectation correction", returning the price to more rational capital and on-chain data.
DxSale's Old Pools Hacked Expose Compatibility Issues
Just as the market leveraged expectations, a batch of old contracts on BNB Chain was called out by reality. DxSale, a decentralized sales and locking platform deployed on networks including BNB Chain, disclosed on May 31 that the primarily affected were its old liquidity pools under the v1 locking contract deployed in BNB Chain in 2021. The attackers did not directly break the locking logic but exploited a compatibility flaw between the atomic transaction feature that BNB Chain subsequently launched and the aforementioned v1 contract, breaching the security boundaries of these historical pools. DxSale's officials confirmed that this event resulted in a loss of about $7.3 million, concentrated from these old v1 pools, while repeatedly emphasizing that v2 and above version contracts were not affected, clearly delineating the accident's boundary around "old versions."
The event has been widely categorized by the market as a “legacy contract compatibility incident,” partly because the impact was indeed limited to the v1 locking contract, while the logic following v2 is regarded as safe; on the other hand, on the day of DxSale's disclosure, the BNB price still remained stable above $700, without any immediate sell pressure corresponding to the $7.3 million loss, which objectively mitigated its direct short-term impact on mainstream protocols and BNB prices. However, for BNB Chain, the issue is not so easily obscured by price: when new features like atomic transactions are added to the underlying system, how to systematically assess, warn, or constrain potential conflicts with legacy contracts from 2021 has shifted from an abstract “technical debt” to a governance topic inscribed on-chain, priced at $7.3 million.
Dislocation of Safety Events and BNB Bullish Sentiment
On the same timeline, one end shows the strong momentum of BNB prices breaking above $690 and pushing further above $700, while the other end presents the security incident disclosed by DxSale, which reported a loss of about $7.3 million, clearly pointing to compatibility issues between the old v1 locking contracts of BNB Chain in 2021 and the atomic transaction functionality. More strikingly, according to AiCoin data, on that day, the net inflows of BNB contracts and spot trades across the network remained at relatively high levels, with bullish sentiment not significantly interrupted, and prices continued to operate above $700, with the narrative focus still revolving around CZ’s preview of the new product and the “US stock channel” expectations, rather than the on-chain exposed technical debts.
The reason the market can maintain optimism against such a backdrop is largely due to mainstream discussions quickly labeling the DxSale incident as a "local incident of old pools": the official statement clearly defines the risk scope limited to the 2021 v1 locking contract, with versions v2 and above unaffected, and there are no signs indicating systemic failures at the core protocol level of BNB Chain. Under this classification, investors’ risk premium reevaluation has been postponed or even omitted, viewing old contracts as the historical burdens of individual projects rather than a depreciation that needs to be immediately applied to the entire chain. However, this selective disregard for old contract risks effectively places many existing contracts in the BNB Chain ecosystem into a gray area of "let's not worry about it for now": as long as prices continue to set new highs, local incidents are more easily perceived as noise, but once similar events accumulate, or more old pools are triggered by new functionalities, these safety signals currently suppressed could still manifest in mood corrections and risk preference contractions, reflected in BNB's price movements and narratives at some later point in time.
Observation Checklist Under Coexisting Rumors and Vulnerabilities
The structure of this rally in BNB is already laid out: on one side, there’s CZ previewing a new product on June 1, accompanied by market expectations surrounding "US stock channels" and "tokenized equity" driving sentiment, combined with quantitative realities such as the net inflow of about $61.93 million on the contract side and about $15.23 million on the spot side, as well as the price breaking through $700; on the other side, DxSale has confirmed the involvement of about $7.3 million in losses due to compatibility issues between BNB Chain's atomic transaction functionality and the old v1 locking contracts, with the scope limited to the old v1 pools' security incident. Moving forward, at least three types of variables deserve close attention: first, what form the Binance new product on June 1 will take, whether it aligns with the previously circulated expectations about US stocks, and whether it will reinforce the current BNB narrative or compel the market to correct prior “expectation premiums”; second, after the news lands, whether the previously enlarged net inflows for contracts and spots continue or retreat, exposing how much of the bullish drive is based on a fundamental upgrade and how much is merely a chase on the preview itself; third, regarding the DxSale incident, whether more historical contracts in the BNB Chain ecosystem begin to migrate or repair, and how many projects actively self-check their compatibility with new features like atomic transactions, translating suppressed technical debts behind this price creation into publicly visible governance and safety improvement pathways. For BNB, which has already surpassed $700, this observation checklist, bounded by facts and risks, will help participants distinguish which are verifiable on-chain signals and which remain merely unconfirmed imaginations amplified by sentiment before the next narrative shift.
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