USDC → USDT

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rate type

Floating Fixed

Market-rate quotes (may change before execution).

root@notkyc:~$ rates cached for everyone · ttl 60s · 0s

#	Exchange	Score	No-KYC record?	Rate	You receive (1 USDC)	Limits (USDC)
1	FixedFloat BEST	D priv 45trust 67	0/1 KYC-free	1 USDC = 0.996 USDT	0.996 USDT	min 9.992 · max 135569.8692	swap on notkyc	swap on FixedFloat →
2	OctoSwap	A priv 87trust 70	// no on-platform swaps yet	1 USDC = 0.989067 USDT	0.989067 USDT	min 6995.103428 · max 1199160.587589	swap on notkyc	swap on OctoSwap →
3	XMRS	C priv 61trust 71	6/6 KYC-free	1 USDC = 0.9808 USDT	0.9808 USDT	min 100 · max 1000000	swap on notkyc	swap on XMRS →
4	SideShift	C priv 48trust 78	—	1 USDC = 0.97680128 USDT	0.97680128 USDT	min 27.349881 · max 59977.808211		swap on SideShift →

FixedFloat BEST D

Rate1 USDC = 0.996 USDT

You receive0.996 USDT

Limitsmin 9.992 · max 135569.8692 USDC

swap on notkyc swap on FixedFloat →

OctoSwap A

Rate1 USDC = 0.989067 USDT

You receive0.989067 USDT

Limitsmin 6995.103428 · max 1199160.587589 USDC

swap on notkyc swap on OctoSwap →

XMRS C

Rate1 USDC = 0.9808 USDT

You receive0.9808 USDT

Limitsmin 100 · max 1000000 USDC

swap on notkyc swap on XMRS →

SideShift C

Rate1 USDC = 0.97680128 USDT

You receive0.97680128 USDT

Limitsmin 27.349881 · max 59977.808211 USDC

swap on SideShift →

Swapping USDC to USDT is usually about venue access, not speculation. USDC dominates on regulated US ramps and DeFi pools on Ethereum and Base, while USDT has deeper liquidity on offshore order books, perpetual futures venues, and Tron-based P2P markets. A no-KYC swap lets you move between these two stablecoin ecosystems without surrendering ID, freezing funds in a 'compliance review', or triggering on-chain blacklist risk that some users associate with issuer-controlled freezes.

// about this pair

What makes USDC -> USDT specific

Both assets target a 1:1 USD peg, so the swap rate sits in a tight band - typically 0.998 to 1.002 depending on aggregator routing and which network you pick on each side. The variance you actually pay comes from network fees and the spread quoted by the underlying liquidity source, not from price movement. USDC is issued by Circle and lives most actively on Ethereum, Base, Solana, Arbitrum, and Polygon. USDT is issued by Tether and has its largest float on Tron (TRC20) and Ethereum (ERC20), with growing supply on Solana, Arbitrum, and TON.

The most common routes you will see priced:

USDC (ERC20) -> USDT (TRC20): exits Ethereum gas, lands on the cheapest USDT rail for transfers
USDC (Solana) -> USDT (Solana): sub-cent fees, seconds to confirm
USDC (Base or Arbitrum) -> USDT (ERC20): useful if a CEX deposit address only accepts ERC20
USDC (ERC20) -> USDT (ERC20): same-network, no bridge risk, but you pay gas twice

Choosing a venue for this pair

Because the price is essentially fixed, optimize for execution quality rather than headline rate:

Network match: confirm the destination address matches the chain you selected. Sending TRC20 to an ERC20 address is unrecoverable on most non-custodial swap services.
Rate type: a 'fixed' quote locks the output amount but adds a spread; a 'floating' quote tracks market and is cheaper on stable-stable pairs where slippage risk is minimal.
Min and max: stablecoin pairs often have higher minimums (50-100 USD equivalent) because fixed network fees eat small swaps.
Refund address: always set one. If the deposit arrives outside the rate-lock window or below minimum, that is how funds come back.

Practical tip: if you are moving more than a few thousand, split into two transactions across different routes. It tests the path and limits exposure if one provider stalls.

// FAQ

Why would I swap USDC to USDT if both are dollar stablecoins?

Venue access and network economics. USDT has deeper liquidity on most offshore exchanges, perpetual futures markets, and Tron P2P networks. USDC is more common on US-facing platforms and Ethereum DeFi. Swapping also lets you change networks cheaply, for example moving value off Ethereum gas onto Tron for low-fee transfers.

Which network combination gives the lowest total cost?

USDC on Solana to USDT on Solana, or USDC on Solana to USDT on Tron via an aggregator, are typically cheapest because deposit-side fees are negligible. Avoid ERC20 on both legs unless you specifically need Ethereum settlement - you will pay gas on the deposit confirmation and again when the service forwards to its liquidity pool.

Is the rate ever meaningfully different from 1:1?

Rarely. Outside of acute depeg events (March 2023 for USDC, periodic USDT scares), the spot rate stays within 20 basis points. What varies between aggregator quotes is the spread the routing service takes plus network fees. A 0.3 percent total cost on a stable-stable swap is normal; anything above 1 percent on a quiet day means you should check another route.

Can my funds be frozen during a USDC to USDT swap?

Both Circle and Tether can blacklist addresses on their issued tokens, though they do so only under legal pressure and usually target addresses tied to sanctioned entities or major thefts. A swap itself does not trigger this. Using a no-KYC aggregator does not increase freeze risk versus using a KYC exchange - the issuer logic is identical.

What happens if I send the wrong network?

If you send TRC20 USDC (which does not exist as a Circle-issued token) or send ERC20 to a TRC20 address, the deposit will not credit. Reputable swap services with a refund address on file can sometimes recover same-chain mistakes (wrong token, right chain) but cross-chain mistakes are generally permanent. Always verify the deposit address chain tag before sending.

Floating or fixed rate for this pair?

Floating is almost always better for stable-to-stable. Fixed-rate quotes price in worst-case slippage you will never experience on a 1:1 pair, so you pay a premium for nothing. Use fixed only if the swap will sit in mempool for 30+ minutes due to network congestion, where even a small depeg movement could matter.

// related