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<p><strong>Blockchain analytics firm Bitquery found that the USDC bridge reserve on the Initia network fell to just $63 during a hack on October 23, while ordinary users attempting to withdraw funds through the bridge were blocked, with Bitquery counting 55 failed withdrawal attempts during the same period.</strong></p>
<h2 id="bitquery-s-on-chain-reading-63-left-in-the-usdc-bridge-reserve">Bitquery's On-Chain Reading: $63 Left in the USDC Bridge Reserve</h2>
<p>According to <a href="https://cryptoslate.com/initia-hack-drove-its-usdc-bridge-reserve-down-to-63-as-withdrawals-failed/" rel="noopener noreferrer nofollow">reporting by CryptoSlate citing Bitquery's analysis</a>, the USDC bridge reserve on Initia reached a low of $63 at the height of the October 23 incident. That figure represents the remaining pool of USDC available to back bridged activity at that moment, not necessarily the total value extracted or lost during the attack. For related coverage, see <a href="https://www.trustscrypto.com/chamath-palihapitiya-bitcoin-goes-to-zero-after-hack/" rel="noopener noreferrer nofollow">Chamath Palihapitiya Predicts Bitcoin Could ‘Go to Zero’ After a Hack</a>.</p>
<p>The $63 reserve level is a real-time on-chain snapshot, not an estimate. Bridge reserves are transparently stored in smart contracts, which means the figure reflects observable depletion of the liquidity pool rather than a reconstructed loss calculation. This incident follows a broader attack on Initia that, as previously reported, resulted in the <a href="https://www.trustscrypto.com/initia-blockchain-halt-hacker-prints-2-7m-crypto/" rel="noopener noreferrer nofollow">Initia blockchain being halted after a hacker printed $2.7M in crypto</a>.</p>
<p>The bridge reserve collapse tracked by Bitquery represents one measurable consequence of that event, though the two data points describe different aspects of the same incident. For broader context on stablecoin infrastructure risk, the <a href="https://www.trustscrypto.com/coinbase-halt-gyen-transfers-convert-balances-usdc/" rel="noopener noreferrer nofollow">Coinbase decision to halt GYEN transfers and convert balances to USDC</a> illustrates how bridge and reserve disruptions affect retail holders directly.</p>
<h2 id="55-ordinary-withdrawals-failed-during-the-incident">55 Ordinary Withdrawals Failed During the Incident</h2>
<p>Alongside the reserve figure, Bitquery's data showed that 55 ordinary withdrawal attempts through the Initia USDC bridge failed during the October 23 hack period. These are described as ordinary withdrawals, meaning routine user-initiated transactions rather than activity associated with the attacker.</p>
<p>The failure of 55 standard withdrawals during the hack window signals that normal bridge functionality was disrupted at the same time the reserve was being drained. Whether those failures resulted from insufficient reserve liquidity, a deliberate protocol pause, or another mechanism is not established by the available data.</p>
<p>Bitquery did not specify in the available reporting whether all 55 failed withdrawals were submitted by distinct users or whether some represent retried transactions from the same addresses. That distinction would affect how many individual users were directly impacted during the window in question.</p>
<h2 id="what-a-bridge-reserve-is-and-why-63-matters">What a Bridge Reserve Is and Why $63 Matters</h2>
<p>A USDC bridge reserve is the pool of USDC tokens held in a smart contract that supports cross-chain bridging activity. When a user moves USDC from one blockchain to Initia, the protocol typically locks the original tokens and releases an equivalent amount from the reserve on the destination chain. The reserve must remain funded to fulfill outgoing transfers.</p>
<p>A reserve balance of $63 is effectively depleted. Under normal operating conditions, a functional bridge reserve holds enough liquidity to process pending user withdrawals. A balance at this level means the contract had almost no capacity to fulfill outgoing transfers, which is consistent with the pattern of 55 failed ordinary withdrawals Bitquery recorded in the same window.</p>
<p>This general explanation of bridge mechanics does not establish Initia's specific bridge design. The Bitquery data describes the observed reserve state; it does not confirm the exact technical architecture of the Initia bridge or the specific contract logic governing withdrawals.</p>
<h2 id="what-the-two-bitquery-findings-do-and-do-not-establish">What the Two Bitquery Findings Do and Do Not Establish</h2>
<p>The two figures from Bitquery, the $63 reserve balance and the 55 failed withdrawals, are on-chain observations tied to the reported October 23 hack period. They document the state of the bridge at a specific moment and the count of unsuccessful user transactions during that window. They do not, on their own, constitute a complete incident postmortem.</p>
<p>The available reporting does not attribute the bridge drain to a specific exploit method, identify the attacker's wallet, or confirm a verified total loss figure derived from the bridge specifically. The $63 reserve level shows near-total depletion of that particular pool; it cannot be used alone to calculate the full scope of harm to users or the protocol.</p>
<p>The 55 failed ordinary withdrawals establish that user-facing functionality broke down during the incident. They do not confirm how many users submitted those transactions, the dollar value of the attempted withdrawals, or whether those users were subsequently made whole.</p>
<h2 id="what-to-watch-as-more-data-emerges">What to Watch as More Data Emerges</h2>
<p>The Bitquery findings provide two concrete, source-backed data points from the October 23 incident: a near-zero bridge reserve and a count of failed user withdrawals. Both figures are specific enough to anchor further investigation once Initia or independent researchers publish a fuller incident report.</p>
<p>Observers tracking bridge security incidents will want to see whether Initia discloses the mechanism that allowed the reserve to reach $63, whether affected users who submitted the 55 failed withdrawals were refunded, and how the bridge reserve was or will be recapitalized. None of those outcomes are confirmed by the current data. Analysts examining hack exposure patterns have noted elsewhere that <a href="https://www.trustscrypto.com/chamath-palihapitiya-ai-hack-bitcoin-go-zero/" rel="noopener noreferrer nofollow">even blue-chip assets are not immune to systemic hack risk</a>, a concern that applies equally to bridge infrastructure.</p>
<p>Bridge exploits that deplete reserves to near-zero while blocking ordinary user withdrawals represent a recognized pattern of risk in cross-chain infrastructure. The Bitquery data places the Initia October 23 incident within that category of on-chain event, even as the fuller picture of cause, total impact, and resolution awaits additional verified disclosure from the protocol.</p>
<h2 id="faq">FAQ</h2>
<h3 id="what-did-bitquery-find-about-initia-s-usdc-bridge-reserve">What did Bitquery find about Initia's USDC bridge reserve?</h3>
<p>Bitquery's on-chain analysis found that the Initia USDC bridge reserve fell to $63 during the October 23 hack. That figure represents the observable balance in the bridge's reserve pool at that point in time, not a confirmed statement of total losses.</p>
<h3 id="how-many-ordinary-withdrawals-failed-during-the-october-23-incident">How many ordinary withdrawals failed during the October 23 incident?</h3>
<p>Bitquery counted 55 failed ordinary withdrawals during the hack window on October 23. These are described as routine user-initiated withdrawal attempts, distinct from any transactions linked to the attacker.</p>
<h3 id="does-the-63-reserve-figure-confirm-the-total-amount-lost-in-the-hack">Does the $63 reserve figure confirm the total amount lost in the hack?</h3>
<p>No. The $63 figure reflects the near-depleted state of the USDC bridge reserve at a specific moment. It does not represent a verified calculation of total losses across the protocol. Determining the full scope of losses would require a separate analysis of all affected contracts, wallets, and transactions. The broader attack on Initia, which prompted the network halt following the minting of approximately $2.7M in unauthorized tokens, involves a larger set of on-chain events than the bridge reserve figure alone describes.</p>
<p>Additional source references: <a href="https://cryptoslate.com/initia-hack-drove-its-usdc-bridge-reserve-down-to-63-as-withdrawals-failed/nResolving" rel="noopener noreferrer nofollow">source document 1</a>.</p>
<p style="font-size:13px;color:#888;border-top:1px solid #333;padding-top:12px;margin-top:30px;">Disclaimer: This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency and digital asset markets carry significant risk. Always do your own research before making any investment decisions.</p><a href="https://www.trustscrypto.com/?p=8778" rel="noopener noreferrer nofollow">Read original article on trustscrypto.com</a>

Initia USDC Bridge Reserve Hit $63 During Oct. 23 Hack

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