By Yevheniia Broshevan, Co-founder and CEO, Hacken
Stablecoins have become the silent infrastructure of digital finance. They now process more than $45 trillion in annual transactions, acting as the bridge between traditional money and decentralised markets. Yet their apparent stability conceals a deeper truth: when stablecoins fail, they rarely collapse without warning. The warning signs are there, hidden in governance, in key management, in quiet lapses of operational security. The real story of stablecoin risk is not a tale of code, but of control.
The architecture of stability begins with the mint and burn mechanism. This process, where new tokens are issued or retired, seems mechanical but is profoundly human. A single compromised key, an unmonitored multi-signature wallet, or an unsafe contract upgrade can silently distort supply long before the market notices. Privilege misuse and unauthorised minting remain the least glamorous but most existential threats to stablecoin integrity. A chain’s code can be perfect; its administration, much less so.
We often focus on visible events like de-pegs or liquidity runs because they are dramatic. But those are symptoms, not causes. The underlying cause is frequently an unnoticed failure in access control, a privilege left unchecked, or a human process that did not scale with the system’s growth. Stablecoins, like financial institutions, depend on governance discipline as much as technical precision.
At Hacken, our security assessments show the same pattern across hundreds of smart contracts: audits uncover vulnerabilities, but incidents continue because controls around the code remain fragile. In 2025 alone, more than 50 stablecoin-related security incidents have been traced back to access-control lapses or social engineering, not to errors in the code itself. Continuous monitoring, not one-time audits, is the only defence against these silent failures.
The off-chain layer is equally fraught. Blockchains can prove balances, but they cannot prove solvency. The data on-chain may show that tokens are correctly issued, but it tells us nothing about whether reserves are genuinely available or liquid. Proof-of-Reserves has narrowed this transparency gap, but it has not eliminated it. A custodian can face liquidity stress or regulatory freeze long before users see any sign on-chain. That fragility is why operational audits and legal assurance matter as much as technical proofs.
The concept of resilience in stablecoins must therefore expand beyond redundancy or collateralisation. True resilience is built from constant verification, both technical and procedural. It requires automated systems that track circulating supply anomalies, detect oracle drift, flag abnormal blacklisting or freezing events, and alert operators before confidence erodes. It also requires organisational maturity, the segregation of roles, time-locked governance, and a culture of transparent response when incidents occur.
What I find most striking is that, even now, much of the industry’s faith in audits remains misplaced. An audit is a snapshot, not a guarantee. In 2025, up to 75 per cent of exploited contracts had passed at least one audit, and several of the largest incidents involved code that had been audited multiple times. The problem is not lack of inspection but lack of continuity.
Risk, like liquidity, moves in real time. Assurance must do the same.
Stablecoins also operate at the intersection of technical assurance and regulatory trust. Regulators increasingly view security posture as part of licensing. Frameworks such as MiCA in Europe or the GENIUS Act in the US are beginning to treat cybersecurity, key management, and proof-of-reserves not as optional but as integral to compliance. This is a welcome evolution: security as a regulatory requirement aligns incentives across the ecosystem. Yet it also means that lapses in operational discipline will carry not only technical but legal consequences.
The irony is that the very simplicity of stablecoin architecture can make it seem safer than it is. Because they are not complex dApps, their risks are often underestimated. But simplicity is deceptive. Stablecoins sit at the heart of DeFi liquidity, exchange settlement, and cross-border payments. When one fails, the shock ripples through the entire system. Their real stability, therefore, depends less on collateral ratios than on the rigour of governance that surrounds them.
The next generation of stablecoins must be built on a culture of continuous assurance. Code audits must evolve into living systems of risk intelligence, platforms that correlate on-chain data with off-chain events, detecting anomalies as they happen. Governance frameworks must embed time locks, role separation, and multi-party custody to prevent privilege creep. And communication protocols must ensure that when failures occur, and they will, they are contained, transparent, and instructive.
Stablecoins are not merely tokens; they are public infrastructure. Their reliability underpins the credibility of digital finance as a whole. To protect that trust, we must look beyond the code and into the quiet corners where processes live and people make decisions. Most stablecoins do not implode, they erode, slowly, invisibly, until confidence gives way. Building systems that can detect that erosion before it collapses is not just good engineering, it is the foundation of financial stability in a decentralised world.
