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{"aggregator_url":"https://news.bitcoi {"aggregator_url":"https://news.bitcoin.com/polkadot-price-dips-6-following-1-billion-token-minting-breach-on-ethereum/","as_of":"2026-04-13T08:56:12.848092+00:00","canonical_url":"https://news.bitcoin.com/polkadot-price-dips-6-following-1-billion-token-minting-breach-on-ethereum/","enrichment":{"aggregator_url":"https://news.bitcoin.com/polkadot-price-dips-6-following-1-billion-token-minting-breach-on-ethereum/","article_chars":2967,"article_truncated":false,"blocked_reason":null,"candidate_id":"sc_694924c53320f2f3","canonical_host":"news.bitcoin.com","canonical_is_aggregator":false,"canonical_url":"https://news.bitcoin.com/polkadot-price-dips-6-following-1-billion-token-minting-breach-on-ethereum/","content_type":"text/html; charset=utf-8","enriched_at":"2026-04-13T14:54:22.808191+00:00","extraction_method":"trafilatura","fetched_description":"Certik reports a Hyperbridge exploit where a hacker minted 1 billion fake Polkadot (DOT) tokens, netting $237,000 via Ethereum","fetched_title":"Polkadot Price Dips 6% Following 1 Billion Token Minting Breach on Ethereum \u2013 Services Bitcoin News","final_url":"https://news.bitcoin.com/polkadot-price-dips-6-following-1-billion-token-minting-breach-on-ethereum/","html_truncated":true,"paywall_likely":false,"publisher_domain":"news.bitcoin.com","publisher_resolution":"canonical_url","requested_url":"https://news.bitcoin.com/polkadot-price-dips-6-following-1-billion-token-minting-breach-on-ethereum/","source_event_id":"evt_fd0b24e37c29","source_quality":"high","status_code":200,"version":"signal_enrichment_v2"},"fp":"dd9a26f3074d243b","kind":"crypto_extremes","published_at":"2026-04-13T08:15:45+00:00","publisher_domain":"news.bitcoin.com","signal_understanding":{"analysis_basis":"article","claim_confidence":0.78,"dates_mentioned":["April 13"],"entities":[{"asset_class":"cryptoasset","name":"Polkadot","relevance":"high","symbol":"DOT","type":"blockchain_project"},{"asset_class":"cryptoasset","name":"DOT (bridged version on Ethereum)","relevance":"high","symbol":"DOT","type":"token_variant"},{"asset_class":"blockchain","name":"Ethereum","relevance":"high","symbol":"","type":"blockchain_network"},{"asset_class":"organization","name":"Certik","relevance":"high","symbol":"","type":"security_firm"},{"asset_class":"smart_contract","name":"Hyperbridge gateway","relevance":"high","symbol":"","type":"smart_contract_system"},{"asset_class":"organization","name":"Lookonchain","relevance":"medium","symbol":"","type":"onchain_analytics"}],"event_type":"supply_disruption","information_gaps":["The article does not provide the exact transaction hash(s) or the specific contract addresses for the Hyperbridge gateway and bridged DOT contract.","The article states Hyperbridge had not yet released a full post-mortem on the specific flaw; the exact patch details and timeline are not included.","The article does not specify whether the attacker\u2019s minting was fully confirmed on-chain beyond the described onchain data/security reports and Lookonchain confirmation.","The article does not quantify how much of the DOT price movement is attributable solely to this incident versus other market factors."],"key_facts":["Certik alerted to an exploit involving the Hyperbridge gateway on Ethereum.","The exploit enabled a malicious actor to mint 1 billion unauthorized DOT tokens on Ethereum.","DOT price briefly dropped from $1.23 to $1.16 (nearly 6%) and later recovered to $1.19 (as of the article\u2019s time of writing).","The attacker reportedly liquidated the entire 1 billion-token amount in a single swap.","The swap yielded approximately 108.2 ether, valued at roughly $237,000 at the time of the transaction.","Certik stated the breach was localized to the Hyperbridge gateway on Ethereum and did not impact Polkadot\u2019s core relay chain or authentic DOT tokens on the Polkadot network.","Certik\u2019s post mortem attributed the exploit to a replay vulnerability in Merkle Mountain Range\u2019s calculateroot function, where proofs were not properly bound to requests.","Certik stated that downstream, tokengateway.handlechangeadmin failed to enforce strict checks, allowing attackers to arbitrarily input request data and change the admin of the Polkadot token.","Hyperbridge had not yet released a full post-mortem on the specific gateway flaw, but developers were expected to deploy patches."],"numeric_claims":[{"label":"Unauthorized tokens minted","value":"1,000,000,000 DOT"},{"label":"DOT price drop","value":"~6% (from $1.23 to $1.16)"},{"label":"DOT price recovery","value":"$1.19 (as of article time of writing)"},{"label":"Attacker proceeds","value":"~108.2 ETH"},{"label":"Attacker proceeds (USD)","value":"~$237,000"}],"primary_claim":"A replay vulnerability in the Hyperbridge gateway allowed an attacker to mint 1 billion unauthorized Polkadot (DOT) tokens on Ethereum, leading to a brief ~6% DOT price dip.","relevance_score":0.86,"sentiment":"negative","source_quality":"high","summary":"Certik reported an exploit of the Hyperbridge gateway that enabled a hacker to mint 1 billion unauthorized DOT tokens on Ethereum. DOT briefly fell about 6% (from $1.23 to $1.16) before recovering, and the attacker reportedly liquidated the tokens for ~108.2 ETH (~$237,000).","topics":["crypto exploit","token minting","bridges","replay vulnerability","smart contract admin change","DOT price reaction","liquidity constraints"]},"source":"Bitcoin.com News","source_domain":"news.bitcoin.com","summary":"Certik reported a significant exploit of the Hyperbridge gateway, which allowed the perpetrator to mint 1 billion unauthorized DOT tokens on the Ethereum network. Key Takeaways: A hacker used a replay flaw to mint 1 billion fake Polkadot tokens via the Hyperbridge gateway. The price of DOT dropped 6% to $1.16 before recovering, while the [\u2026]","tickers":[],"title":"Polkadot Price Dips 6% Following 1 Billion Token Minting Breach on Ethereum","url":"https://news.bitcoin.com/polkadot-price-dips-6-following-1-billion-token-minting-breach-on-ethereum/"}... |