all_tkx as (

SELECT

symbol,

block_timestamp,

amount,

amount_usd,

tx_hash,

to_address,

from_address,

origin_from_address,

contract_address,

'eth' as chain

FROM

ethereum.core.ez_token_transfers

UNION ALL

SELECT

symbol,

block_timestamp,

amount,

amount_usd,

tx_hash,

to_address,

from_address,

origin_from_address,

contract_address,

'arb' as chain

FROM

arbitrum.core.ez_token_transfers

UNION ALL

SELECT

symbol,

avax_tkx.block_timestamp,

avax_tkx.amount,

avax_tkx.amount_usd,

avax_tkx.tx_hash,