select 'Ethereum' as blockchain, 'https://etherscan.io/' as link_prefix

union all

select 'Bnb', 'https://bscscan.com/'

union all

select 'Polygon', 'https://polygonscan.com/'

union all

select 'Gnosis', 'https://gnosisscan.io/'

union all

select 'Arbitrum', 'https://arbiscan.io/'

union all

select 'Avalanche_c', 'https://avascan.info/blockchain/c/'

union all

select 'Optimism', 'https://optimistic.etherscan.io/'

union all

select 'Fantom', 'https://ftmscan.com/'

select * from blockchain_links