In the short term, DOT’s volatility has intensified, influenced by bridge protocol security incidents and cross-chain arbitrage. The $1.17–$1.20 range has shown strong support; if the $1.35 resistance is broken, a new rebound phase is likely to start. The main chain’s technology and long-term value have not been substantially damaged. It is advised to accumulate on dips in batches, pay attention to liquidity structure changes and cross-chain security upgrade progress. DOT’s medium-term upside potential remains attractive.

On April 13, after a vulnerability in the Hyperbridge bridge contract was exposed, Polkadot’s transaction volume on the Ethereum chain surged to over 8 million DOT that day, reflecting the market’s heightened sensitivity to security risks. The next day, the price swiftly dropped from $1.228 to $1.166—over 5% loss—demonstrating a significant short-term sentiment shock. Although this event only affected cross-chain assets, concentrated liquidity meant selling pressure rapidly amplified price volatility.

Hyperbridge gateway contract was attacked, with the attacker forging messages to alter the admin rights of the Polkadot token contract on Ethereum. The attacker minted and sold 1B tokens, profiting approximately $237,000.

The Hyperbridge gateway was attacked through a contract exploit, with hackers minting and selling 1B DOT to profit approximately $237,000.

A hacker exploited a bug in Hyperbridge, a crypto bridge, to create one billion counterfeit Polkadot DOT tokens on the Ethereum blockchain, valued at $1.2 billion. Due to low liquidity, the hacker sold the tokens for just over $237,000 in Ether via Uniswap. The protocol is paused while the bug is fixed. The incident highlights ongoing vulnerabilities in crypto bridges, despite no flaw found in Polkadot’s core code.

A hacker created $1.2B of counterfeit crypto. They only sold it for $237,000.

Hyperbridge confirmed that its Token Gateway was exploited on April 13, resulting in a loss of about $237,000 in Ethereum. The breach affected only DOT assets bridged to Ethereum, with native Polkadot assets unaffected. The exploit arose from a flaw in the Merkle Mountain Range proof verification in Solidity, allowing the attacker to mint 1 billion fake DOT tokens and sell them on decentralized exchanges. Bridge operations have been suspended.

Hyperbridge confirms Token Gateway exploit; bridging service suspended

Recently, some traders have exploited price differences between trading platforms and networks for arbitrage, acquiring DOT at a very low cost on Uniswap and selling at higher prices on CEXs, then moving to other networks to repeat the process. This opportunistic capital activity highlights uneven liquidity distribution, increases short-term price volatility, and shows that cross-chain bridge and DEX price disparities have not yet been fully corrected.

A trader bought 77K DOT for 0.2 ETH ($436) on Ethereum via Uniswap and sold it on a CEX for $10,042. They then spent 1.1 ETH to buy more DOT, exploring different liquidity pools and cross-chain methods. Ultimately, they bridged 503K DOT from Ethereum to the Base network using Hyperbridge and sold it for 68.72 ETH, earning a profit of $150,000.

A trader bought 77,000 DOT for only 0.2 ETH and successfully bridged them across chains, earning a profit of $150,000.

An address starting with 0x52f70 spent about $600 to exploit the recent Polkadot inflation attack involving 1 billion new DOT tokens. By buying low and selling high on Ethereum, then bridging to the Base network via Hyperbridge, it sold 503K DOT for 68.72 ETH, earning roughly $150K in profit. The overall attacker profit from the DOT inflation attack totaled approximately $236K.

An address spent approximately $600 to arbitrage the DOT issuance attack, profiting approximately $150,000 through cross-chain transactions.

As the global crypto market cap briefly fell by nearly 1%, Polkadot broke below the $1.17 support. However, with Bitcoin stabilizing above $75,000 and gradually recovering, and with some easing of geopolitical risks, investor risk appetite has rebounded. Between April 16 and 17, DOT’s price rallied from $1.17 to $1.335, demonstrating strong capital rotation effects and a short-term recovery in market sentiment.

Crypto prices saw a slight decline with the global market cap down 0.9% in 24 hours. Bitcoin holds above $70,700, Ethereum is around $2,185, and Polkadot (DOT) is at $1.19. RaveDAO surged 190% to $6.18 despite broader market weakness. Rising tensions in the Strait of Hormuz caused oil prices to surge 9.5%, reaching $105 per barrel.

Crypto Price Today: Bitcoin Holds $70.7k, ETH Dips, DOT Slips as US Imposes Hormuz Blockade; OIL Surges, RAVEDAO Soars 130%

According to Coinmarketcap data reported by ChainCatcher, the top 100 cryptocurrencies by market value showed notable changes today. The top five gainers were RaveDAO (RAVE) up 207.51% at $9.94, Venice Token (VVV) up 6.37% at $8.47, Aave (AAVE) up 5.46% at $94.02, XDC Network (XDC) up 4.59% at $0.03129, and Canton (CC) up 3.95% at $0.1511. The top five losers were Polkadot (DOT) down 4.57% at $1.17, Zcash (ZEC) down 4.09% at $346.48, Dash (DASH) down 3.6% at $40.86, Chiliz (CHZ) down 2.44% at $0.0364, and Pi (PI) down 2.25% at $0.1647.

Data: Price changes of the top 100 cryptocurrencies by market capitalization today

Bitcoin recently surpassed $75,000 for the first time in 73 days, facing resistance near $78,000 with $74,000 seen as a critical support level for further gains. Market views diverge: bears cite weak macro liquidity and reliance on short-covering, while bulls highlight strong whale accumulation and potential breakthroughs above key moving averages. The broader market shows mixed signals amid geopolitical developments and fluctuating investor sentiment.

Trading moment: BTC encountered resistance at 78K, and it needs to hold 74K to aim for a breakthrough.

On the daily chart, the $1.17–$1.20 region has repeatedly attracted buying support. If this range holds and the $1.35 resistance is broken, a further upward move may follow. Importantly, this security incident was due to a bridge protocol implementation flaw, unrelated to Polkadot’s core chain code, so the long-term value remains unaffected. This presents a reason for medium-to-long-term investors to accumulate during declines.

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DOT price today is 1.26, with a live price change of -4.14 in the last 24 hours. Convert, buy, sell and trade DOT on Bybit-eu.

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