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FunctionBTC (FBTC) ($74,272.00)

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Approve249170552026-04-19 22:55:354 hrs ago1776639335IN
Function: FBTC Token
0 ETH0.000020260.44137728
Transfer249170532026-04-19 22:55:114 hrs ago1776639311IN
Function: FBTC Token
0 ETH0.000138992.39423036
Transfer249169882026-04-19 22:42:114 hrs ago1776638531IN
Function: FBTC Token
0 ETH0.00008742.41763143
Transfer249169022026-04-19 22:24:595 hrs ago1776637499IN
Function: FBTC Token
0 ETH0.000084281.58266472
Approve249147642026-04-19 15:14:3512 hrs ago1776611675IN
Function: FBTC Token
0 ETH0.000187224.07397335
Transfer249115112026-04-19 4:22:2323 hrs ago1776572543IN
Function: FBTC Token
0 ETH0.000028450.69468689
Approve249106452026-04-19 1:28:5925 hrs ago1776562139IN
Function: FBTC Token
0 ETH0.000025461.06229194
Approve249079322026-04-18 16:23:5935 hrs ago1776529439IN
Function: FBTC Token
0 ETH0.00005871.27908148
Approve249072452026-04-18 14:06:2337 hrs ago1776521183IN
Function: FBTC Token
0 ETH0.000014540.31697589
Approve249063162026-04-18 11:00:2340 hrs ago1776510023IN
Function: FBTC Token
0 ETH0.000005960.13
Approve249052032026-04-18 7:17:2344 hrs ago1776496643IN
Function: FBTC Token
0 ETH0.000010530.22956894
Approve249004132026-04-17 15:16:472 days ago1776439007IN
Function: FBTC Token
0 ETH0.00009543.97998521
Approve249004122026-04-17 15:16:352 days ago1776438995IN
Function: FBTC Token
0 ETH0.000095894.00025308
Approve248993572026-04-17 11:45:112 days ago1776426311IN
Function: FBTC Token
0 ETH0.000098342.14512661
Approve248993502026-04-17 11:43:472 days ago1776426227IN
Function: FBTC Token
0 ETH0.000097582.12345015
Approve248982222026-04-17 7:57:592 days ago1776412679IN
Function: FBTC Token
0 ETH0.000119462.60509958
Transfer248971552026-04-17 4:23:472 days ago1776399827IN
Function: FBTC Token
0 ETH0.000003660.08941825
Approve248925102026-04-16 12:53:113 days ago1776343991IN
Function: FBTC Token
0 ETH0.000009240.2013625
Transfer248924912026-04-16 12:49:233 days ago1776343763IN
Function: FBTC Token
0 ETH0.00003140.58982311
Transfer248899692026-04-16 4:22:353 days ago1776313355IN
Function: FBTC Token
0 ETH0.000001990.04870989
Approve248840512026-04-15 8:35:234 days ago1776242123IN
Function: FBTC Token
0 ETH0.00000250.0546645
Approve248839712026-04-15 8:19:234 days ago1776241163IN
Function: FBTC Token
0 ETH0.000005810.12666025
Approve248835842026-04-15 7:01:474 days ago1776236507IN
Function: FBTC Token
0 ETH0.000058962.04678105
Transfer248827892026-04-15 4:22:474 days ago1776226967IN
Function: FBTC Token
0 ETH0.000006310.15399379
Approve248804342026-04-14 20:29:475 days ago1776198587IN
Function: FBTC Token
0 ETH0.000016210.67647361
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0x60a03462199804732024-05-30 5:07:47689 days ago1717045667  Contract Creation0 ETH
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Source Code Verified Similar Match: 0xFFFFfFFF...E4E0a6FE4
Constructor

Contract Name

FBTC

Compiler Version
v0.8.20+commit.a1b79de6
Optimization Enabled
Yes with 20000 runs
Other Settings
london EvmVersion
License
-NA-
Contract Source Code (Solidity Standard Json-Input format)
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No Contract Security Audit SubmittedSubmit Audit Here
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API
[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_bridge","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"AddressInsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"implementation","type":"address"}],"name":"ERC1967InvalidImplementation","type":"error"},{"inputs":[],"name":"ERC1967NonPayable","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"allowance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientAllowance","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC20InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC20InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC20InvalidSender","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"}],"name":"ERC20InvalidSpender","type":"error"},{"inputs":[],"name":"EnforcedPause","type":"error"},{"inputs":[],"name":"ExpectedPause","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[],"name":"InvalidInitialization","type":"error"},{"inputs":[],"name":"NotInitializing","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[],"name":"UUPSUnauthorizedCallContext","type":"error"},{"inputs":[{"internalType":"bytes32","name":"slot","type":"bytes32"}],"name":"UUPSUnsupportedProxiableUUID","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newBridge","type":"address"},{"indexed":true,"internalType":"address","name":"oldBridge","type":"address"}],"name":"BridgeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"version","type":"uint64"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferStarted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"}],"name":"UserLocked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"}],"name":"UserUnlocked","type":"event"},{"inputs":[],"name":"UPGRADE_INTERFACE_VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bridge","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_bridge","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"lockUser","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"payer","type":"address"},{"internalType":"address","name":"feeRecipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"payFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"}],"name":"rescue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_bridge","type":"address"}],"name":"setBridge","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"unlockUser","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"userBlocked","outputs":[{"internalType":"bool","name":"blocked","type":"bool"}],"stateMutability":"view","type":"function"}]
Deployed Bytecode
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Function transforms BTC into a secure, composable, institutionally trusted asset across DeFi. FBTC is the first omnichain Bitcoin yield asset, enabling BTC holders to join structured, risk-managed yield strategies. Backed by Galaxy Digital, Mantle, Antalpha Prime, and leading institutions.

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.