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18 March 2021
OmniBridge is an interoperability solution for Ethereum Virtual Machine (EVM) chains, which allows users to move ERC-20 tokens between networks quickly and efficiently.
OmniBridge, developed by the xDai STAKE team, is interested in securing its smart contracts against double spending, Denial of Service attacks, or anything that results in loss of user funds.
Verification of xDai STAKE’s bug bounty program on Immunefi is available at https://www.xdaichain.com/for-developers/immunefi-bug-bounty
Rewards are distributed according to the impact of the vulnerability based on the Immunefi Vulnerability Severity Classification System. This is a simplified 5-level scale, with separate scales for websites/apps and smart contracts/blockchains, encompassing everything from consequence of exploitation to privilege required to likelihood of a successful exploit.
Smart Contracts and Blockchain
|Critical||from USDT $100,000 up to STAKE $2,000,000|
|High||up to USDT $10,000|
|Medium||up to USD $1,000|
Payouts are handled by xDai team directly and are denominated in USD. However, payouts are done in USDT. Payouts above USDT $100,000 are completed in STAKE.
|https://etherscan.io/address/0x4aa42145Aa6Ebf72e164C9bBC74fbD3788045016||Smart contract - DAI-xDAI TokenBridge contract on the Ethereum Mainnet|
|https://blockscout.com/xdai/mainnet/address/0x7301CFA0e1756B71869E93d4e4Dca5c7d0eb0AA6||Smart contract - DAI-xDAI OmniBridge contract on the xDai chain|
|https://etherscan.io/address/0x88ad09518695c6c3712AC10a214bE5109a655671||Smart contract - ETH-xDAI OmniBridge contract on the Ethereum Mainnet|
|https://blockscout.com/xdai/mainnet/address/0xf6A78083ca3e2a662D6dd1703c939c8aCE2e268d||Smart contract - ETH-xDAI OmniBridge contract on the xDai chain|
|https://bscscan.com/address/0xf0b456250dc9990662a6f25808cc74a6d1131ea9||Smart contract - BSC-xDAI OmniBridge contract on the Binance Smart Chain|
|https://blockscout.com/xdai/mainnet/address/0x59447362798334d3485c64D1e4870Fde2DDC0d75||Smart contract - BSC-xDAI OmniBridge contract on the xDai chain|
We are especially interested in receiving and rewarding vulnerabilities of the following types:
The following vulnerabilities are excluded from the rewards for this bug bounty program:
The following activities are prohibited by bug bounty program:
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