By NHI Mgmt Group Editorial TeamDomain: Cyber SecuritySource: ChainalysisPublished October 31, 2025

TL;DR: Hardware wallets are framed as a lower-exposure option for long-term storage, Bitcoin as the benchmark trust layer, and stablecoins and MiCA as a major compliance pressure point in Europe, according to Chainalysis’ Following the Money Q&A. The practical takeaway is that crypto governance now sits at the intersection of custody, monitoring, and regulatory adaptability.


At a glance

What this is: This Q&A examines how a Bitstack compliance leader thinks about wallet security, Bitcoin, and stablecoins, with a strong emphasis on operational risk and regulatory change.

Why it matters: It matters to IAM and security practitioners because the same control tensions that shape crypto custody also show up in identity governance, access risk, and the treatment of high-value credentials and keys.

👉 Read Chainalysis' Q&A on crypto custody, Bitcoin, and stablecoins


Context

Cryptographic custody is a governance problem as much as a technology problem. When keys or tokens can be used to move value, the control question becomes who can access them, under what conditions, and how quickly that access can be limited or revoked. That is directly relevant to identity and access management because the same lifecycle discipline applies to secrets, certificates, and other non-human identities.

The article also shows how regulation changes operating models. Stablecoins, cross-border payments, and financial crime monitoring all push compliance teams toward faster detection, clearer provenance, and stronger auditability. In practice, that means the boundary between financial compliance and identity control is narrower than many programmes assume.


Key questions

Q: How should compliance teams govern wallet keys and signing authority?

A: Treat wallet keys and signing permissions as privileged credentials with ownership, scope, and review cadence. Separate long-term custody from operational signing, require approval for high-value movement, and record recovery steps. That approach turns custody into a governed access model instead of an informal storage decision.

Q: Why do blockchain transactions need more than basic monitoring?

A: Transaction visibility shows movement, but it does not automatically prove intent, attribution, or risk. Teams need entity resolution, threshold-based escalation, and investigation playbooks so they can turn traces into decisions. Without that layer, monitoring creates data but not control.

Q: What do security teams get wrong about stablecoin compliance?

A: They often treat compliance as a post-transaction check instead of a workflow control. In regulated environments, sanctions screening, attribution, and exception handling need to be embedded before settlement, because speed reduces the usefulness of manual review after the fact.

Q: Who is accountable when crypto custody fails?

A: Accountability should sit with the team that owns the key lifecycle, transaction policy, and monitoring model, not only with the people who move funds. In practice, that means compliance, security, and operations must share clearly documented responsibility for authority, review, and escalation.


Technical breakdown

Why offline custody reduces exposure for private keys

Hardware wallets reduce the attack surface because private keys stay offline instead of being exposed in always-connected environments. That does not remove governance requirements, but it does change the compromise model from remote theft to physical or transactional exposure. In practice, the operational question is not just where keys sit, but how signing authority is segmented, recovered, and monitored across custody workflows.

Practical implication: treat long-term key storage as a lifecycle control problem, not just a device choice.

How blockchain transparency supports financial crime investigations

Public blockchain systems create traceable transaction paths, which investigators can use to link clusters, identify exposure patterns, and map movement between wallets. That visibility is powerful, but it still depends on interpretation, entity resolution, and contextual signals such as exchange touchpoints or laundering behaviour. The control challenge is to turn visibility into evidence without confusing traceability with attribution.

Practical implication: pair transaction monitoring with clear investigation playbooks and entity-risk thresholds.

Why stablecoins increase compliance pressure in regulated markets

Stablecoins combine digital transfer speed with features that look increasingly like payments infrastructure, which is why they attract regulatory scrutiny. As they move into mainstream use, teams need to reconcile fast settlement with screening, recordkeeping, and jurisdiction-specific controls. That creates a governance gap when monitoring, sanctions handling, and user risk checks are not built into the workflow from the start.

Practical implication: embed compliance checks into stablecoin workflows before volumes scale.


Threat narrative

Attacker objective: The attacker aims to obtain transferable control over value by abusing custody authority rather than by breaking the blockchain itself.

  1. Entry occurs when a private key, wallet seed, or connected account is exposed in an environment that is assumed to be low risk. Escalation follows when the attacker can sign transactions or move funds without immediate challenge because the key represents authority.
  2. Impact occurs when assets are transferred, laundered, or converted faster than the organisation can detect and respond to the transaction path.

NHI Mgmt Group analysis

Crypto custody exposes the same control logic that governs non-human identity security. Private keys, wallet seeds, API credentials, and signing permissions all act as machine authority, which means they need lifecycle control rather than informal trust. The more frequently a credential can move value, the more closely it resembles a privileged non-human identity that should be inventoried, rotated, and scoped.

Stablecoin adoption is turning compliance into a real-time identity and provenance problem. When payments settle faster, the window for manual review shrinks, and control teams must rely on stronger telemetry and pre-authorised policy boundaries. That makes provenance, sanctions screening, and account attribution part of the operating model, not just a post-transaction review step.

Wallet exposure window: the longer a private key or signing credential remains reachable, the greater the chance of compromise or misuse. This article reinforces a broader governance lesson that security teams already know from NHI programmes: standing authority is the risk, not just the asset it protects. Practitioners should model custody as time-bound privilege, not permanent access.

Blockchain intelligence becomes more valuable when it is treated as an investigative layer, not a substitute for governance. Visibility into transaction flows helps teams explain risk to non-technical stakeholders, but it does not replace controls over access, segregation of duties, or exception handling. The field needs programmes that can translate traceability into decisions, otherwise detection remains disconnected from action.

What this signals

Wallet and key governance is converging with NHI lifecycle management. As organisations standardise on machine credentials, the same questions will keep reappearing in crypto custody, cloud automation, and AI pipelines: who owns the credential, how long it lives, and what proves it was used within policy. Teams that already manage secrets lifecycle well will adapt faster than those still treating signing authority as a one-off setup task.

The regulatory direction of travel is clear. Faster payment rails and broader stablecoin use will push compliance teams to prove control effectiveness, not just policy existence, and that will favour programmes that can link monitoring, provenance, and access governance in one operating model.


For practitioners

  • Classify wallet and key material as privileged machine identities Inventory private keys, seeds, signing services, and custody accounts alongside other non-human identities. Assign ownership, scope, and review cadence so these assets are governed as access-bearing credentials rather than informal storage objects.
  • Separate long-term custody from day-to-day transaction authority Use distinct controls for cold storage, operational wallets, and treasury workflows. Restrict transaction signing paths, require explicit approval for high-value movement, and document the recovery process for each custody tier.
  • Build monitoring around transaction paths and exposure patterns Correlate wallet movements, exchange touchpoints, and unusual cluster behaviour with investigation thresholds. Preserve evidence of exposure patterns so compliance teams can explain why an account or transfer is high risk.
  • Align stablecoin controls with regulatory workflow checkpoints Place sanctions screening, attribution checks, and escalation steps inside the payment process rather than after settlement. This reduces the gap between fast transfer and human review in regulated operations.

Key takeaways

  • Crypto custody is best understood as a privileged access problem, because keys and signing authority function like machine identities that can move value.
  • Blockchain transparency helps investigators trace risk, but traceability only becomes control when it is paired with ownership, escalation, and review discipline.
  • Stablecoin adoption will reward teams that embed compliance and identity checks into transaction workflows before settlement, not after an alert.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

MITRE ATT&CK address the attack surface, NIST CSF 2.0, NIST SP 800-53 Rev 5 and NIST AI RMF set the technical controls, and GDPR define the regulatory obligations.

FrameworkControl / ReferenceRelevance
NIST CSF 2.0PR.AC-4Wallet access and signing authority map to least-privilege access governance.
NIST SP 800-53 Rev 5IA-5IA-5 applies where keys, seeds, and authenticators must be managed across their lifecycle.
GDPRArt.32Compliance workflows can involve personal data when investigators trace transaction exposure.
NIST AI RMFGOVERNThe article’s governance theme aligns with accountability and oversight in regulated environments.
MITRE ATT&CKTA0006 , Credential Access; TA0010 , ExfiltrationKey compromise and asset theft follow credential access and exfiltration patterns.

Map key-loss scenarios to credential access and exfiltration tactics when designing detection and response.


Key terms

  • Token Custody: The control responsibility for where access tokens and refresh logic live, who can retrieve them, and how they are retired. In delegated integrations, token custody is often moved out of the app, but security ownership does not disappear. It shifts to the broker and the governance model around it.
  • Stablecoin Compliance: Stablecoin compliance is the operational control layer used to screen, record, and supervise transfers involving stable-value digital assets. It combines sanctions handling, attribution, monitoring, and jurisdiction-specific rules so that fast settlement does not remove accountability.
  • Blockchain Intelligence: Blockchain intelligence is the use of analytics and enrichment data to trace cryptocurrency transactions, identify entities, and connect wallet activity to real-world behaviour. It supports investigations, but it does not replace case management, evidentiary discipline, or trained analysis.
  • Signing Authority: Signing authority is the permission to create a legally or operationally valid signature on behalf of an organisation. It should be granted, monitored, and revoked like any other privileged access. In practice, the control fails when authority is assumed to live in the tool instead of the identity behind it.

What's in the full article

Chainalysis' full Q&A covers the practitioner detail this post intentionally leaves for the source:

  • The compliance leader's full rationale for preferring hardware wallets for long-term storage and reducing online exposure.
  • The article's broader discussion of Bitcoin as a trust benchmark and why that matters for institutional confidence.
  • The practical explanation of how stablecoins are changing compliance expectations in Europe under MiCA.
  • The mindset shift Chainalysis is trying to reinforce when it comes to tracing flows, interpreting alerts, and investigating behaviour.

👉 The full Chainalysis Q&A adds the interview context behind custody, compliance, and transaction tracing.

Deepen your knowledge

NHI Foundation Level course, the industry's only accredited NHI security programme, covers NHI governance, machine identity security, and secrets management for practitioners who need a structured control model. It gives security and compliance teams a common language for lifecycle ownership, access scope, and review.
NHIMG Editorial Note
Published by the NHIMG editorial team on July 11, 2026.
NHI Mgmt Group — the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org