Central Bank, Explained

A central bank is a public financial institution that manages a nation's monetary policy, issues currency, and acts as a lender of last resort to the commercial banking system — and increasingly, as the primary gatekeeper determining how digital assets interact with the formal economy.

What Central Banks Actually Do

Central banks sit at the apex of national financial systems. Their core mandates vary by charter, but most share four broad responsibilities: controlling the money supply and setting benchmark interest rates, maintaining price stability (typically targeting around 2% annual inflation), supervising commercial banks, and managing foreign exchange reserves.

The U.S. Federal Reserve, the European Central Bank (ECB), the Bank of England, and the Bank of Japan are among the most systemically influential. Their policy decisions — rate hikes, quantitative easing, reserve requirements — ripple across global asset markets within minutes, including crypto markets. When the Fed tightened aggressively in 2022–2023, bitcoin fell in tandem with equities as risk appetite compressed.

Fed Chair Kevin Warsh recently acknowledged that the institution has "missed for five years and we're going to fix that," a rare public admission of forecasting failure that underscores the political pressure central banks face when inflation runs hot.

Benthic

Jun 25, 2026

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CoinEx becomes Iranian sanctions rail after $3.84B in flows tied to IRGC and central bank

WSJ • Jun 25, 2026

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Benthic

Jun 25, 2026

WSJ, citing TRM analysis of public blockchain data, says Iranian entities moved more than $3.84B through CoinEx, with wallet activity tied to Iran’s Central Bank and the IRGC. Investigators traced funds from two Central Bank-controlled wallets back to the $1.5B Bybit hack before the money moved through a maze of transactions toward CoinEx. CoinEx says it has no relationship with Iran’s government and is moving to limit access from Iran, but the scale makes this look like sanctions infrastructure, not stray retail flow.

The Traditional Stance on Crypto

For most of the last decade, central banks ranged from skeptical to openly hostile toward cryptocurrencies. The concern was straightforward: decentralized digital assets operating outside the regulated financial perimeter threatened monetary sovereignty, enabled capital flight, and complicated interest-rate transmission.

That skepticism has hardened into active gatekeeping in several jurisdictions. In Mexico, billionaire Ricardo Salinas disclosed that banks operate under standing orders from Banco de México to avoid crypto entirely — "we cannot integrate that into our bank, period, end of story" — illustrating how informal central bank guidance can wall off entire national banking systems from the sector. Russia's central bank has proposed limiting non-professional retail investors to trading only bitcoin, ether, and USDT, with no plans to expand the permitted list, even as Moscow uses crypto to route some international trade under sanctions pressure.

Brazil's central bank took a more surgical approach, banning crypto use within its regulated cross-border eFX payment rails, forcing stablecoin flows back through traditional foreign-exchange transactions — tightening monetary control without prohibiting crypto outright.

Licensing and Registration: A New Regulatory Mode

Rather than outright bans, a growing number of central banks are shifting to a licensing and registration model that brings crypto firms inside the regulatory perimeter while preserving supervisory authority.

Zimbabwe enacted a $500 licensing regime requiring crypto firms to register with the Reserve Bank of Zimbabwe — a low barrier to entry by global standards, but a formal acknowledgment that the sector exists and must be supervised. The Philippines' Bangko Sentral ng Pilipinas (BSP) tightened Virtual Asset Service Provider (VASP) rules and publicly named Binance and its local partner as lacking the required licenses, adding regulatory teeth to what had previously been guidance. Pakistan's State Bank reversed course more dramatically, lifting a seven-year ban on banking access for crypto firms and authorizing commercial banks to open accounts for PVARA-licensed VASPs with immediate effect — one of the sharper regulatory pivots of 2025–2026.

The UAE has moved in a similar direction: Crypto.com secured the first UAE Central Bank Stored Value Facility (SVF) license, enabling cryptocurrency payments for government services — a sign that Gulf central banks are willing to integrate crypto into public-sector payment infrastructure.

Stablecoins: Where the Tension Is Sharpest

Stablecoins — tokens pegged to fiat currencies, typically the U.S. dollar — sit at the sharpest edge of the central bank–crypto debate because they most directly replicate the function of bank deposits and potentially disintermediate commercial lending.

The ECB has pushed back hard. The European Central Bank warned EU finance ministers against further issuance of euro stablecoins, arguing that large-scale adoption could reduce bank lending capacity and make interest-rate policy harder to transmit through the economy. Central bankers, including ECB representatives, cited the risk of deposit flight from supervised banks into uninsured stablecoin reserves. The ECB's Pontes project is exploring tokenized finance anchored in central bank money — the institution's preferred architecture, where it, not private issuers, anchors the digital monetary system.

The Bank of England faces a version of the same debate domestically. A UK House of Lords committee recommended that the Bank drop its proposed £20,000 retail stablecoin holding cap and a 40% central bank backing requirement — arguing the rules were too restrictive to allow a viable stablecoin market to develop in Britain at all.

The tension reflects a genuine policy dilemma: central banks want to preserve monetary sovereignty and financial stability, but overly restrictive rules push stablecoin activity offshore or into unregulated channels.

On the margins, more idiosyncratic arrangements are emerging. The Republic of Georgia reportedly tapped Tether — issuer of USDT, the world's largest stablecoin by volume — for an "official" stablecoin arrangement with central bank blessing, illustrating how smaller economies may pragmatically adopt existing dollar-pegged instruments rather than building sovereign alternatives from scratch.

South Korea's stablecoin market saw deposits and withdrawals paused amid central bank risk warnings, a reminder that regulatory signals alone — without formal rules — can move market behavior.

CBDCs: Central Banks' Digital Answer

Central Bank Digital Currencies (CBDCs) represent the institutional response to private digital money: state-issued digital currency running on central-bank liability, preserving monetary control while modernizing payment infrastructure.

The Bank for International Settlements (BIS) acts as the research and coordination hub for global CBDC efforts. Its recently concluded Project Agorá found that tokenized central bank reserves could make cross-border payments faster and safer. The New York Fed, Bank of England, and Bank of Japan are now moving toward real-value testing on blockchain rails — a meaningful escalation from proof-of-concept to live settlement. This matters because cross-border payments remain slow, expensive, and opaque; correspondent banking adds layers of friction that blockchain-based settlement could, in principle, compress.

The ECB's digital euro project remains the highest-profile retail CBDC initiative in advanced economies, though it has moved cautiously given political sensitivities around surveillance and financial privacy. China's digital yuan (e-CNY) is the most advanced large-economy retail CBDC deployment, with millions of users and integration into domestic payment rails, though international adoption remains limited.

Kazakhstan has been an active participant in CBDC pilots in Central Asia, reflecting a broader pattern where emerging-market central banks see CBDCs as levers for financial inclusion and reduced dependence on dollar-denominated correspondent networks.

Enforcement: When Central Banks Use Market Surveillance

The Iran case illustrates a less visible dimension of central bank power: enforcement through financial intelligence. Blockchain analytics firm Arkham exposed a wallet network linked to the Central Bank of Iran following the freezing of $344 million in USDT by Tether — demonstrating that on-chain transparency can cut both ways, enabling third parties to map state-controlled financial flows that would be opaque in the traditional banking system.

Russia's central bank separately tightened crypto declaration rules, requiring residents to disclose holdings — an enforcement mechanism that stops short of prohibition while building a surveillance infrastructure around the sector.

These moves reflect the increasing sophistication of central bank engagement with on-chain data. What began as regulatory skepticism has evolved into active monitoring, with some institutions now tracking public blockchains as part of financial supervision.

Why This Matters for Crypto Markets

Central bank decisions shape the crypto market through multiple channels:

Interest rates and risk appetite. When central banks tighten monetary policy, the cost of holding speculative assets rises and liquidity contracts. The 2022 crypto bear market was closely correlated with Fed rate hikes; the 2023–2024 recovery tracked the pivot toward easing.

Regulatory legitimacy. A central bank licensing regime — even a light-touch one — confers a form of legitimacy that unlocks banking access, attracts institutional capital, and reduces legal risk for operators. Pakistan's reversal on banking access is a concrete example of how a single central bank decision can reopen an entire market.

Stablecoin infrastructure. Most crypto trading and DeFi activity is denominated in dollar stablecoins. Central bank rules governing stablecoin reserves, backing requirements, and redemption rights directly affect the stability and availability of the sector's de facto settlement layer.

CBDC competition. If CBDCs achieve widespread adoption for retail and cross-border payments, they could reduce demand for private stablecoins and shift the infrastructure debate toward public-sector rails — or, conversely, they could normalize digital-native money and accelerate adoption of the broader ecosystem.

Outlook

The relationship between central banks and the crypto sector is converging toward structured engagement rather than mutual avoidance. Prohibition has largely failed where it was tried; pure laissez-faire creates systemic risks that central banks are constitutionally unable to ignore. What is emerging — unevenly, across dozens of jurisdictions — is a licensing-and-supervision model that brings digital asset intermediaries inside the regulatory perimeter without resolving deeper questions about monetary sovereignty, stablecoin risk, and the long-term role of CBDCs.

The BIS cross-border tokenization work, the ECB's digital euro, and the Fed's posture on dollar stablecoin legislation will be the three most consequential threads to watch over the next two to three years. How they resolve will determine whether blockchain infrastructure becomes a layer within the existing monetary system or remains a parallel one running alongside it.