From Arbitrum One to Bitcoin: Moving BTC

Arbitrum One → Bitcoin routes

Network	Route	Rate	From
Arbitrum One	ETH Arbitrum → BTC	1 ETH Arbitrum = 0.0320157 BTC	2.95 ETH Arbitrum

Arbitrum One against Bitcoin

	Arbitrum One	Bitcoin
Network type	L2, optimistic rollup	Layer one (L1)
Fees are paid in	ETH	BTC
Fee level	low	medium
Speed	fast	slow
Block	~0.25 sec	~10 min
Address shape	0x…	1…, 3…, bc1…
Memo or tag	not needed	not needed
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 BTC or ordinary Bitcoin 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 Bitcoin	Not needed to receive	Often needed, or the funds cannot be claimed or moved on
Timing	After confirmations in Arbitrum One; 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 Arbitrum One to Bitcoin, 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 Bitcoin (1…, 3…, bc1…).
Send the coins in Arbitrum One to the address from the order, for exactly the amount stated.
Once Arbitrum One confirms the transfer, the coins leave for your address in Bitcoin. The order page tracks every step.

Check this before sending to Bitcoin

The receiving address has to belong to Bitcoin (1…, 3…, bc1…).
Send the coins in Arbitrum One 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: Arbitrum One → Bitcoin

How do I get coins from Arbitrum One into Bitcoin?

Through an exchange order: you send coins in Arbitrum One and BTC arrive at your address in Bitcoin. No bridge contracts, no wallet to connect, no wrappers.

What can be moved from Arbitrum One into Bitcoin?

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

How long does the move from Arbitrum One to Bitcoin take?

First the confirmations in Arbitrum One, then the send into Bitcoin. After that it comes down to how busy the networks are. A block in Arbitrum One closes in about 0.25 sec.

What pays the fees in Bitcoin?

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

Which address does Bitcoin need?

An address in Bitcoin: 1…, 3…, bc1…