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, the most-recognizable cryptocurrency exchange in the US, is adding to its Coinbase Pro platform.
It's welcome news for Tether, the largest settled an investigation by the New York Attorney General's Office regarding potentially illicit loans between it and its sister exchange, Bitfinex.by market capitalization, which just recently
The loan saw Bitfinex get access to $900 million in Tether's cash reserves to cover a shortfall when payments processor Crypto Capital made off with around $850 million. That led to questions about whether Tether was fully backed by US tender, as the dollar-pegged stablecoin claimed.
Tether has since revised its position to assert that, though Tether is pegged to the dollar, it is backed by reserves that "include traditional currency and cash equivalents." In March, it published an attestation from a Cayman Islands accounting firm stating that it had enough reserves to cover its liabilities as of February 28.
Today's press release from Coinbase doesn't quite endorse Tether's assertions, but merely references them: "For stablecoins like USDT, the company behind the protocol is responsible for holding reserves that fully back each token. The company behind Tether, Tether Limited, claims to hold reserves that fully back each USDT."
Paolo Ardoino, CTO of Bitfinex and Tether, categorized it differently. "As the most liquid, stable and trusted stablecoin, Tether is playing a key role in the emerging digital token ecosystem," he said. "Traders and developers like using Tether. Coinbase’s endorsement means an important new bridge for mainstream adoption of cryptocurrency has been built."
The move is something of a surprise given Coinbase's above-board reputation; its former chief legal officer, Brian Brooks, went on to oversee US banks as the US Comptroller of the Currency, and the company recently helped form an industry trade group to lobby legislators.
Moreover, the exchange went public via direct listing this month, putting it squarely within the mainstream of finance and committing itself to transparency, whereas Tether was dogged by the New York investigation for years. As part of its settlement, Tether agreed not to operate in the state, meaning it will not be available to New York Coinbase users.
Now that Tether is potentially in the clear, the token's $49 billion market cap may have been too much for Coinbase to ignore, even though it collaborates on its own stablecoin with Circle. USDC, the second-largest stablecoin, has a market cap of $11 billion.
Investor Adam Cochran wrote, "This strongly legitimatizes Tether, which underpins huge price action, and now makes arbitrage to non-fiat exchanges more direct which is huge for capital flows."
So this is actually the most bullish piece of news I've seen in a long time.
This strongly legitimatizes Tether, which underpins huge price action, and now makes arbitrage to non-fiat exchanges more direct which is huge for capital flows. https://t.co/mv6Ydgg9WE
— Adam Cochran (@adamscochran) April 22, 2021
Not everyone agrees with Cochran. Lawyer Stephen Palley responded, "Maybe this strongly delegitimizes Coinbase."
Coinbase says the ERC20 USDT running on the Ethereum blockchain (other versions of Tether aren't supported) will begin trading "once sufficient supply of USDT is established on the platform." USDT will be paired with, , euro, British pounds, US dollars, and USDC.
Appearing on Coinbase Pro, the exchange's platform for power users, is often a prelude to being added to the retail trading app, which would push Tether's growing reach even further.
Editor's note: This article has been updated to include comments from Paolo Ardoino.