All Eyes on Trust

Leading the way in providing assurance services to clients engaging in crypto-asset activities

Blockchain technology has given rise to a new platform for business relationships that combines ease of use, low cost and high security.

While it creates a new basis of trust for business transactions that could contribute to a considerable simplification and acceleration of the economy, demonstrating trustworthiness remains paramount for busineses leveraging this technology.

Trust is a comprehensive concept which is tied to the weakest link of the chain. We can support you all along your journey to build trust in your business:
Financial audit


Financial audit

Smart contract assurance


Smart contract assurance

Controls attestation


Controls attestation

Smart contract assurance


Know-your-transaction support

The specificities and complexities of blockchain and crypto-assets applied to these areas are numerous:

  • How to audit the transactions carried out by a company on blockchain?
  • How to ensure the effective ownership of the crypto-assets held by a company?
  • How to value the crypto-asset on the entity's balance sheet?
  • How can we certify that smart contracts have been drawn up correctly and have no flaws?
  • What are the characteristics of an effective internal control system for a company using blockchain and/or crypto-assets?
  • How can we ensure proper compliance with anti-money laundering and anti-terrorist financing rules during a Security Token Offering (STO)?

Our services

Supporting the auditing of crypto-assets

Obtain independent validation of existence and ownership of crypto-assets balances and transactions reports are key for crypto-asset based businesses. Our proprietary tool, unique on the market, has been designed for that very specific purpose.

Introducing Halo for Crypto Solution and its key features, including:

  • Key pair validation: Provides independent, substantive audit evidence of the private key and public address pairing without accessing client private key directly;
  • Transaction Integrity Reporting: Securely interrogates the blockchain to independently and reliably gather corroborating information about transactions and balances;
  • Non-intrusive testing: Keeps clients' private keys safely under their control so they are not shared in any way during this process.

Contact us

François Génaux

Advisory Partner, Advisory Leader, PwC Luxembourg

Tel: +352 49 48 48 4175

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