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Singaporean Blockchain Wallet Security Company Discovers New Type of Scam Targeting Centralized Exchanges

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Fraudulent Transactions Exploit Wallet Vulnerability, Could Have Stolen More than $3 Million in TRX

CoinsDo, a Singaporean blockchain asset security company, has uncovered a sophisticated scam involving fake transactions and multiple smart contracts targeting major centralized cryptocurrency exchanges. While only a single successful instance of this scam has been confirmed, further analysis of the smart contracts in question revealed that the perpetrators initiated hundreds of these fake transactions, potentially defrauding exchanges, payment gateways, and centralized wallet companies of more than $3 million USD worth of TRX. 

It is highly possible that both firms who built their own wallet infrastructure as well as major wallet solution providers like Fireblocks are not adequately prepared to detect this type of fraudulent transfers. This presents a major operational loophole to be exploited by malicious actors.

The scam began with the perpetrator initiating a fraudulent TRX transfer to their deposit address on a centralized exchange. Through the use of multiple smart contracts, they were able to trick the exchange’s wallet infrastructure into validating the fraudulent transaction. This led the exchange to credit the equivalent amount of cryptocurrency to the perpetrator’s account, which they promptly liquidated for cash. 

The transaction looks just like a regular, successful transfer via smart contract.

The perpetrator had mass-triggered a smart contract (Smart Contract A) to initiate multiple transfers via a proxy smart contract (Smart Contract B) to roughly 100 end-user deposit addresses on various centralized exchanges

Smart Contract A was programmed to interact with Smart Contract B to initiate transfers as internal transactions, a sophisticated technique allowing the perpetrator to make fraudulent transactions appear legitimate. 

Graphical illustration on how the fraudulent transaction was made

What was so insidious about this fraudulent transaction was the fact that it could only be identified by a single parameter in the transaction data – “rejected”: true.

A tell-tale sign of a fraudulent transaction.

Malicious actors are getting more creative in their ways of stealing funds, targeting previously overlooked loopholes and vulnerabilities instead of private keys. Just look at the recent WazirX and Lmnl case, which resulted in losses over $230 million. This raises the question of whether wallet providers are overly focused on encryption technologies and algorithms, potentially at the expense of more practical security measures.

To better protect yourself from scams like the one mentioned, it is recommended that all wallet solution providers take extra care to verify transaction details, both internal and external, especially when smart contracts are involved. 

Source: https://www.coinsdo.com/en/blog/new-scam-alert-tron

Sky is a seasoned cryptocurrency expert with a passion for blockchain technology and digital finance. With years of experience in the crypto industry, he has authored insightful articles on market trends, emerging technologies, and investment strategies. His work has been featured in leading crypto publications, helping both beginners and seasoned investors navigate the complex world of digital assets. Sky is dedicated to providing readers with accurate, up-to-date information to make informed decisions in the rapidly evolving crypto space.

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Crypto Currency

4 Most Promising Cryptos in 2025 for Long-Term Gains: BlockDAG, XRP, Sui, & DOT! 

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The digital currency market is preparing for what could be one of the most active years in recent memory. Fresh developments, strategic deals, and impactful updates are propelling certain projects into the spotlight as the most promising cryptos in 2025. While some are benefiting from recent chart breakouts, others are building on strong fundamental catalysts that could send their market values soaring.

This analysis looks at four major names that crypto watchers are closely following: BlockDAG, making headlines with a record-breaking presale and high ROI expectations; XRP, finally clear of its long-running legal battle; Sui, attracting institutional-level adoption; and Polkadot, proving its strength in the competitive Layer-1 space. Each project has distinct growth triggers, but all share a key common factor: momentum strong enough to attract broad market attention.

  1. BlockDAG: Record-Breaking Presale Success in Batch 29

BlockDAG is setting new standards in early-stage growth potential, having already raised $373 million in its presale and aiming for a $600M target. Now in Batch 29 with a price of $0.00276, it presents one of the final strong entry opportunities before later batches raise the price further. Market watchers speculate BDAG could reach $1 during its first major bull cycle, offering substantial growth potential. Early buyers have already seen 2,660% growth in their funds since Batch 1.

The project’s tech foundation combines DAG with Proof-of-Work, delivering lightning-speed transactions without sacrificing decentralization. EVM compatibility also allows Ethereum-based dApps to integrate smoothly, which could drive rapid network expansion.

The scale of adoption is already significant: 2.5 million X1 app miners, over 200,000 holders, and 19,000 ASIC miners sold prior to mainnet launch. Coupled with a high-profile Inter Milan sponsorship, BlockDAG (BDAG) Network’s position as one of the most promising cryptos in 2025 is supported by both technological strength and visible market traction.

  1. XRP: Legal Clarity Boosts Market Outlook

XRP has become one of the most promising cryptos in 2025 after fully resolving its high-profile SEC case. The resolution, which included a $125 million fine and dismissal of appeals, has cleared regulatory uncertainty and opened the path for Ripple to focus on expansion.

Following the news, XRP surged 11% before settling due to macroeconomic factors like U.S. inflation data. Currently trading at around $3.22 with daily volume exceeding $8 billion, the asset now has the clarity it needs to pursue new growth avenues.

Ripple’s $200 million acquisition of stablecoin platform Rail shows a strong move into compliant payments, reinforcing XRP’s path toward wider institutional use. With the legal cloud gone, its prospects for 2025 look brighter than they have in years.

  1. Sui: Institutional Adoption with Short-Term Fluctuations

Sui is earning its place among the most promising cryptos in 2025 as institutional players take an interest. Swiss digital asset bank Sygnum’s decision to extend regulated custody, trading, and lending for Sui’s token gave the project a short-term lift of 4% before a quick correction caused by leveraged position liquidations.

Despite brief pullbacks, Sui remains 7–9% higher over the past month, trading between $3.76 and $3.93, with daily volume above $1.3 billion. The mix of high liquidity and institutional adoption suggests Sui is building a foundation beyond short-lived speculation.

The challenge for Sui is maintaining this momentum while reducing volatility. If successful, it could cement its status as a serious player in 2025’s competitive market.

  1. Polkadot: Proving the Endurance of Layer-1 Leaders

Polkadot has reasserted its position as one of the most promising cryptos in 2025 after an 18% weekly gain that outperformed both the market and other Layer-1 platforms. Trading near $4.18 with $468 million in daily volume, it has rebounded strongly from months of downward pressure.

Support levels between $3.55 and $3.58 have held firm, attracting attention from both traders and longer-term holders. Its unique multi-chain setup makes it well-suited for the growing demand for blockchain interoperability.

If Polkadot maintains its current strength, it has the potential to break the $5 mark and establish itself as a continued force among Layer-1 networks.

To Sum Up

The competition for the title of most promising cryptos in 2025 is heating up, with these four projects leading the way. BlockDAG continues breaking presale records while offering one of the strongest early-stage ROI cases. XRP, now free from regulatory battles, is moving to expand its influence in the payments space. Sui is steadily building trust with institutional support despite volatility, and Polkadot is proving its resilience in a crowded Layer-1 market.

The takeaway: strong fundamentals, strategic positioning, and solid momentum define these projects. For those tracking the next major moves in crypto, these four could be key names to watch as the year unfolds.

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Kaspa Steadies, Dogecoin’s Decline Shakes Sentiment, BlockDAG’s Launch Countdown Moves Forward: Presale Crosses $373M

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Market conditions are testing patience, but the real developments may just be starting. Kaspa’s price today is holding within a narrow band, while Dogecoin’s latest drop shows how fast confidence can change. Solana stays firm, Polygon is pressing resistance, and BlockDAG is already charting a course beyond its presale phase.

With $373 million already secured toward a $600 million goal, BlockDAG (BDAG) is doing more than moving coins. It is building the framework for a complete rollout. That structure leads directly into a six-week launch program that includes mainnet activation, coin distribution, DeFi infrastructure, and a debut across 20 exchanges. While other assets wait for chart signals, BlockDAG’s timeline is already ticking down toward a defined launch date.

Kaspa (KAS) Price Holds Near Support

Kaspa is trading close to $0.090 after several failed attempts to push through the $0.096–$0.098 range. This resistance has capped rallies for days, while buyers maintain a base at $0.090.

The broader rise from $0.052 remains in place, but momentum has eased as trading volume has slipped below earlier breakout levels. A move over $0.10 could open targets between $0.105 and $0.120. A drop under $0.087, however, could bring a slide toward $0.085. Until one side gains control, Kaspa’s price today is holding steady in a range, waiting for a clear trigger.

Dogecoin’s Drop Brings Price Toward $0.22

Dogecoin slid nearly 7%, falling from roughly $0.24 to just above $0.22 as selling pressure increased. Attempts to lift from $0.226 have met resistance around $0.231, confirming that sellers are defending that zone.

This drop came as wider market caution set in, with trade disputes, regulation worries, and global economic uncertainty weighing on the outlook. The $0.238 mark is now the nearest resistance. The $0.22 area is still the key support. If this level breaks, the decline could deepen, with technical momentum favoring the downside unless buying activity picks up meaningfully.

Decoding BlockDAG’s 6-Week Plan for a Complete Market Entry

BlockDAG’s presale is entering its final stages, moving steadily toward its $600 million target and full 45-batch completion. Once the presale closes, the six-week launch schedule begins, transitioning the project from sales to a functioning, multi-layered network.

Six weeks before launch, wallet migrations and X1 point conversions begin. Four weeks out, the production mainnet goes live with official mining nodes in operation. At the three-week mark, community-run nodes and mining pools join the network. Two weeks before listing, 40% of presale coins are released, enabling early on-chain activity. At the same stage, the DeFi base goes live, including a decentralized exchange, lending protocols, and a bridge for cross-chain connectivity.

The presale has already raised $373 million, selling 25.1 billion BDAG coins at the batch 29 price of $0.0276. Batch 30 will rise to $0.029, with further increases leading up to the fixed $0.05 launch price. From the first batch to now, BDAG’s price has surged 2,660%, meaning early batch buyers have already gained that same percentage against the current price.

In its final week before launch, the rollout features decentralized application releases, exchange integration, and a push for global visibility. An exclusive seven-day primary exchange debut kicks things off, followed by expansion to a total of 20 exchanges. Alongside $7.7 million in miner sales and 19,250 miners placed, this roadmap gives BDAG a structure designed for both market liquidity and network stability from day one.

Why Crypto Offers the Strongest Returns?

Kaspa’s steady price and Dogecoin’s decline each tell their own story about market positioning, but neither matches the speed and certainty built into BlockDAG’s approach.

With $373 million secured, 25.1 billion coins sold, and a 2,660% rise from batch 1 to today’s $0.0276, BlockDAG is already defining its path. Each batch brings a higher entry price, while the six-week launch plan moves from mining activation to DeFi deployment, leaving little downtime between milestones. Dogecoin could rebound, and Kaspa could break higher, but BlockDAG’s structure is aimed beyond short-term price swings, toward building a presence that begins fully equipped for scale and market depth.

Presale: https://purchase.blockdag.network

Website: https://blockdag.network

Telegram: https://t.me/blockDAGnetworkOfficial

Discord: https://discord.gg/Q7BxghMVyu

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Whales Rush to Secure BlockDAG at $0.0276 as Presale Hits $371M! Here’s Why It’s the Top Altcoin to Buy Now

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In crypto, few signals spark market chatter like whales loading up on a project. When they start buying in size, it creates waves that the rest of the market quickly notices. That’s exactly what’s playing out with BlockDAG right now. Its presale just surged past $371 million, and whale wallets are registering large BDAG purchases that are hard to ignore.

These aren’t impulse buys; they’re strategic entries, showing high conviction in where BlockDAG could be heading. As word spreads, more retail buyers are joining the rush, aiming to get in before the price edges higher. For anyone hunting the top altcoin to buy now, the trail of big money is proving to be a compelling signal worth watching.

Big Players’ Moves Signal Market Confidence in BDAG

Whales, with the power to influence entire price trends, rarely act without deep planning. Their plays are usually backed by weeks of research, private market insights, and advanced risk management strategies. So when they start building positions during a presale, it’s often a clear hint of strong upside ahead.

Right now, their focus is locked on BlockDAG. The project has already banked $371M, shifted 24.7 billion coins, and delivered a 2,660% ROI from batch 1 to today’s $0.0276 batch 29 price. 

This accumulation suggests they’re securing a foothold before higher batch prices kick in. For everyday traders, watching whales pile in reinforces the view that BDAG is a top altcoin to buy now, with a setup too strong to ignore.

Retail Rush Follows Heavy Whale Buying

When whales start buying aggressively, it tends to trigger a predictable chain reaction. Retail buyers, seeing the moves on wallet trackers and hearing the buzz in crypto communities, often step in to ride the same wave. It’s not just copying,  it’s strategic alignment with capital that has historically spotted winners early.

BlockDAG’s recent presale activity shows exactly how powerful this effect can be. Each whale purchase has spurred more retail participation, quickening the pace of batch sellouts and shrinking the gap for cheaper entries. 

The thinking is simple: if big holders are willing to commit heavily, smaller participants feel safer jumping in. That momentum is helping BDAG rise as a top altcoin to buy now, with excitement building before the next price move.

Strong Architecture Attracts Big Capital

For whales, the attraction to BlockDAG isn’t just noise; it’s the fundamentals. The network’s cutting-edge architecture, active developer base, and massive presale war chest create launch conditions that can support deep liquidity and sustained demand well beyond its debut. Add its plans for adoption in real-world scenarios, and it becomes even more appealing.

Big players tend to focus on projects that balance high growth potential with solid safety nets. With substantial capital ready for liquidity support and an expanding ecosystem of engaged developers, BlockDAG checks both boxes. 

If the roadmap unfolds as planned, these early positions could yield returns that draw even more large-scale buyers. It’s exactly why BDAG is being listed as a top altcoin to buy now, offering appeal for both short-term traders and longer-term holders.

Looking Ahead

Whale accumulation since BlockDAG crossed the $371M milestone isn’t just a headline; it’s a strong market signal. With 24.7B coins sold, the current batch 29 price is at $0.0276, and a 2,660% ROI from batch 1, the big players clearly see upside potential worth acting on.

Their buying has ignited a wave of retail participation, closing the gap for low-entry opportunities and tightening the timeline before higher batch prices arrive. For anyone searching for the top altcoin to buy now, aligning with where the most strategic capital is flowing could be the smart move. In this case, BlockDAG’s whales are already ahead of the curve, and the market is quickly catching on.

Presale: https://purchase.blockdag.network

Website: https://blockdag.network

Telegram: https://t.me/blockDAGnetworkOfficial

Discord: https://discord.gg/Q7BxghMVyu 

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