From OP Mainnet (Optimism) to TON: Moving USDT and GRAM

OP Mainnet (Optimism) → TON routes

Network	Route	Rate	From
OP Mainnet (Optimism)	USDT Optimism → USDT TON	1 USDT Optimism = 1.0001 USDT TON	200 USDT Optimism
OP Mainnet (Optimism)	ETH Optimism → GRAM	1 ETH Optimism = 1,865.44 GRAM	0.012 ETH Optimism
OP Mainnet (Optimism)	USDC Optimism → USDT TON	1 USDC Optimism = 1.0007 USDT TON	200 USDC Optimism

OP Mainnet (Optimism) against TON

	OP Mainnet (Optimism)	TON
Network type	L2, optimistic rollup	Layer one (L1)
Fees are paid in	ETH	TON
Fee level	low	low
Speed	fast	fast
Block	~2 sec	—
Address shape	0x…	UQ…, EQ…
Memo or tag	not needed	needed for exchange accounts
Ethereum-style address (0x…)	yes	no
Official withdrawal to Ethereum	≈ 7 days (challenge period)	—

Fee and speed levels are comparative: both move with how busy the network is.

How this differs from a classic bridge

	RubyCash	Classic bridge
What lands at your address	Native TON or ordinary TON tokens	Depends: in some networks it is the bridged version of the token
Wallet and signatures	Not needed: the coins go to the address from the order	Needed: connect the wallet and sign contract transactions
A coin for fees in TON	Not needed to receive	Often needed, or the funds cannot be claimed or moved on
Timing	After confirmations in OP Mainnet (Optimism); the order page tracks it	Depends on the bridge and the load of both networks
Who holds the funds meanwhile	RubyCash for the life of the order, with an AML check	The bridge contract or its validators

Moving from OP Mainnet (Optimism) to TON, step by step

Pick a route in the table above and work out the amount in the calculator on its page.
Enter your own address in TON (UQ…, EQ…).
Send the coins in OP Mainnet (Optimism) to the address from the order, for exactly the amount stated.
Once OP Mainnet (Optimism) confirms the transfer, the coins leave for your address in TON. The order page tracks every step.

Check this before sending to TON

The receiving address has to belong to TON (UQ…, EQ…).
If the receiving wallet asks for a Comment (Memo), put it in the order.
Send the coins in OP Mainnet (Optimism) only: a transfer through another network never reaches the order.
Coins go through an AML check: a flagged transfer can be held until the check is finished.

Common questions: OP Mainnet (Optimism) → TON

How do I get coins from OP Mainnet (Optimism) into TON?

Through an exchange order: you send coins in OP Mainnet (Optimism) and USDT and GRAM arrive at your address in TON. No bridge contracts, no wallet to connect, no wrappers.

What can be moved from OP Mainnet (Optimism) into TON?

Right now: USDT and GRAM. Rates and floors are in the table above.

How long does the move from OP Mainnet (Optimism) to TON take?

First the confirmations in OP Mainnet (Optimism), then the send into TON. After that it comes down to how busy the networks are. A block in OP Mainnet (Optimism) closes in about 2 sec.

What pays the fees in TON?

The TON coin. You do not need it to receive funds — only later, when you decide to move them on.

Which address does TON need?

An address in TON: UQ…, EQ…