The cryptocurrency market soared in 2021, with mainstream adoption reaching new heights. Yet beneath the surface, the exchange industry experienced a brutal shakeout. Cryptowisser, a leading crypto service comparison platform, released its annual “crypto exchange graveyard” report, revealing that 79 cryptocurrency exchanges died in 2021, more than in any previous year. The report dissects the causes behind these closures, pointing to regulation, hacking, the overwhelming power of top centralized exchanges (CEXs), and the rising tide of decentralized finance (DeFi).
Regulation: The Kiss of Death
Government policies proved to be the single biggest killer. China's blanket crypto ban in 2021 forced several exchanges to shut down, with Bit-Z among the notable casualties. In other jurisdictions, tightening KYC and anti-money laundering requirements imposed heavy compliance costs that small exchanges could not sustain. “Regulation doesn't just mean higher expenses,” the report notes, “it can instantly eliminate an exchange's right to operate.”
Hacks: A Fatal Blow
While hacking accounted for only three confirmed fatal incidents in 2021, the consequences were irreversible. The Seychelles-based exchange Atomars, once praised for its security measures, fell victim to an inside job that led to a massive hack. It never recovered. The report underscores that for smaller exchanges, a single security breach often damages both assets and reputation beyond repair.
The Powerhouse Grim Reaper: Top Exchanges Dominate
Despite a growing user base, new traders overwhelmingly flock to well-known platforms like Binance and KuCoin. The report highlights the staggering growth of these giants' native tokens: Binance Coin (BNB) jumped from $27 to $628 over the past year, an increase of over 22 times; KuCoin Shares (KCS) rose from $0.85 to $21, a nearly 25x gain. These figures reflect an immense concentration of trading volume and liquidity. Smaller exchanges struggle to compete with the trust, fee structures, and security offered by the incumbents.
DeFi: The Decentralized Disruptor
Decentralized exchanges (DEXs) continue to erode CEX market share by offering lower fees, minimal KYC, and enhanced security. Uniswap's UNI token market cap skyrocketed from $900 million to $15 billion in a single year — a 15x increase. The report argues that CEXs now face a two-front battle: they must fend off both their centralized rivals and the relentless rise of DeFi, which attracts users seeking autonomy and lower costs.
Outlook: Compliance and Innovation Are Survival Prerequisites
Cryptowisser predicts that as regulations stabilize, the total number of exchanges may eventually plateau. However, for any new exchange to thrive, it must meet all regulatory requirements, absorb the associated costs, and carve out a unique edge against both the established giants and decentralized platforms. Those that cannot provide trust, security, and competitive fees will likely be swept away. Notably, the report also reveals that six exchanges were closed because they were outright scams, highlighting the ongoing need for due diligence among crypto users.

