Over the last decade, public blockchains have been hailed as transformative solutions for various industries, offering promises of faster settlements, decentralized social media, instant payments, and cheaper remittances. While these benefits may materialize in time, one area where blockchains are currently outshining their traditional counterparts is accounting. Blockchains function as real-time, transparent, and immutable ledgers, tracking debits and credits to accounts. Unlike conventional accounting systems, any asset residing on a blockchain, be it a tokenized security or a digital commodity like Bitcoin, is fully verifiable by anyone with internet access. This auditability property enables the crypto industry to address a longstanding issue—transparency in exchange and custodial platforms. For years, crypto exchanges and custodians have faced criticism for failing to ensure adequate transparency and security. Incidents like the Mt. Gox, Bitfinex, Quadriga, FTX, and Prime Trust debacles have underscored the need for improved accountability. As a response, industry players are rallying around the concept of "Proof of Reserve" (PoR). PoR allows custodial platforms to indisputably demonstrate their control over funds held for users. By providing signatures that attest to their ownership of digital assets on-chain and disclosing client liabilities, these platforms enable users to verify that their assets are indeed held in reserve and not simply recorded on someone else's ledger. This heightened transparency offers strong assurances to users regarding the platform's soundness. Regulators are also recognizing the significance of PoR. Legislative initiatives at the state and federal levels are starting to mandate PoR for firms with money transmitter licenses. Wyoming, Texas, Canada, Dubai, Singapore, and Bermuda have all referenced PoR in their digital asset regulatory frameworks. However, some lawmakers, like Sens. Elizabeth Warren and Ron Wyden, have criticized PoR, aiming to stifle the crypto space by targeting CPA firms that service crypto companies. Industry advocates argue that PoR should not be seen as a replacement for traditional audits but rather as a complementary measure. It offers a level of transparency that conventional custodians struggle to match. The crypto industry seeks support from Washington to recognize PoR's validity, facilitate its standardization, and encourage accounting standards-setting bodies to ratify industry efforts. By embracing PoR and promoting self-regulation, the crypto industry aims to regain trust and exceed the assurance levels offered by traditional custodians. Transparency, accountability, and enhanced security are at the core of this effort, and it is a goal that Washington should support to foster a more robust and reliable crypto ecosystem. In conclusion, as the crypto industry evolves, embracing self-regulation through tools like Proof of Reserve becomes essential. Transparency and accountability will pave the way for greater user confidence and, in turn, foster the growth of a thriving and trustworthy digital asset ecosystem.