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Ethereum address poisoning strikes again

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Ethereum address poisoning strikes again

An Ethereum user lost $600,000 on Tuesday morning to a common crypto scam known as ‘address poisoning.’

Highlighting the loss, SpecterAnalyst, a self-described “onchain investigator,” warned users to “always verify the entire wallet address.”

The costly mishap comes just one week after another user lost over $350,000 to the same scam, despite first sending a test transaction to the attacker’s address.

Read more: Crypto trader loses $50M USDT to address poisoning scam

Address poisoning is an attack vector in which scammers send spam transactions to genuine users, after they make a transfer.

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The incoming transactions come from similar-looking addresses in the hopes that the user will confuse them for the intended address in future transfers. Fake versions of common token tickers may be transferred in these spam transactions, or small amounts of genuine assets.

The strategy requires generating a new, look-alike address with identical beginning and end characters, which the user accidentally copies and pastes into future transfers. 

Popular block explorers often abbreviate the middle portion of addresses to save space.

Read more: Refund of $70M ‘address poisoning’ scam ongoing, over 50% returned

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Barabazs.eth, of the Ethereum Foundation and Ump.eth, proposes a partial solution to this issue. The tool allows for visually truncated addresses, while the full text remains searchable for users to double-check before transfers.

However, using an address book is far safer than copying addresses from a block explorer.

After Ethereum’s Fusaka upgrade lowered transaction costs, address poisoning has surged. The volume of freshly created addresses has risen sharply following the protocol upgrade in December last year, according to research from Andrey Sergeenkov.

Test failed successfully

In the wake of today’s loss, SpecterAnalyst also drew attention to a significant loss from last week.

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This time, the user even sent a test transaction to the scammer’s spoofed address, but “the test fund was not properly confirmed before sending the main amount.”

The simple error led to a loss of over $350,000.

SpecterAnalyst suggests that, for this user, testing became “a routine step rather than serving its actual purpose of confirming the correct destination address.”

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Crypto World

“New” Bitcoin Whale Losses Deepen as Binance Inflows Rise

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Cryptocurrencies, Bitcoin Price, Adoption, Markets, Cryptocurrency Exchange, Binance, Price Analysis, Market Analysis, Whale

Bitcoin’s (BTC) price continued to consolidate near $68,000 on Tuesday, but sustained weakness below this level may generate additional sell pressure from the newest cohort of large holders.

While the long-term whales remain in profit, short-term whales are sitting on sizeable unrealized losses. One analyst highlighted how this pressure may impact BTC’s price, as other indicators point to a continued downtrend.

Key takeaways:

  • The short-term Bitcoin whales are sitting on net unrealized losses of 22% at current prices.

  • The Binance whale inflow ratio climbed to 0.62 from 0.4 in two weeks, signaling a rise in the large-holder deposits.

  • Long-term whales control 71% of the large-wallet supply and remain in profit above their realized price of $41,626.

New BTC whales face mounting unrealized losses

Market analyst Carmelo Alemán noted that the wallets holding 1,000–10,000 BTC control 4.483 million BTC at the moment. A total of 1.287 million BTC (28.7%) belongs to the short-term holder (STH) whales, while 3.196 million BTC (71.3%) sits with the long-term holder (LTH) whales.

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The cost basis gap is significant. STH whales have a realized price of $88,494, carrying an unrealized loss of 22%. LTH whales hold a realized price of $41,626, maintaining a 65% in profit.

Cryptocurrencies, Bitcoin Price, Adoption, Markets, Cryptocurrency Exchange, Binance, Price Analysis, Market Analysis, Whale
Bitcoin realized price of new and old whales. Source: CryptoQuant

Alemán explained that this asymmetry shows the recent whale holders are under pressure while older capital retains a large cushion.

However, realized losses among STH whales have remained limited since Bitcoin’s all-time high of $126,000 in October 2025, reflecting resilience from the holders. 

The key structural level remains near $41,626, which is the LTH realized price. As long as BTC holds above it, the data reflects redistribution rather than structural capitulation, the analyst said.  

Related: Ray Dalio’s world order warning revives case for Bitcoin as neutral money

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BTC whale deposits increase as pressure on long-term holders builds

The Binance whale inflow ratio, measuring the share of the 10 largest BTC deposits relative to total inflows, rose to 0.62 from 0.4 from Feb. 2 to Feb. 15. A higher ratio suggests increasing whale-driven sell-side activity.

Cryptocurrencies, Bitcoin Price, Adoption, Markets, Cryptocurrency Exchange, Binance, Price Analysis, Market Analysis, Whale
Whale inflow ratio on Binance. Source: CryptoQuant

Crypto analyst Darkfost said that a part of the flow is linked to the “Hyperunit whale,” who moved close to 10,000 BTC onto Binance.

LTH’s spent output profit ratio (SOPR) also dropped to 0.88. SOPR measures whether the coins are being sold at a profit or loss, with a reading below 1 meaning losses are being realized. The monthly average SOPR remains at 1.09, and the annual average stands at 1.87, indicating that long-term profitability is still intact.

Additionally, Alphractal founder Joao Wedson said that the long-term holder net-unrealized profit/loss (NUPL) stands at 0.36, meaning unrealized profits remain positive.

The analyst said that the past cycle bottoms formed only after the metric turned negative, implying Bitcoin may still need another dip to confirm capitulation among the LTH cohorts.

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Cryptocurrencies, Bitcoin Price, Adoption, Markets, Cryptocurrency Exchange, Binance, Price Analysis, Market Analysis, Whale
Bitcoin long-term holder NUPL. Source: Joao Wedson/X

Related: Bitcoin weekly RSI echoes mid-2022 bear market as BTC plays liquidity games