CryptoIcicleSolana-Foundation-2.Tracking USDC & USDT on Solana - Exchange
    Updated 2022-06-17
    -- Tracking USDC & USDT on Solana
    -- Payout 5.2 SOL
    -- Grand Prize 15.5 SOL
    -- Level Advanced

    -- Q2. What's the current market share for USDC and USDT on Solana relative to other stablecoins in the ecosystem
    -- (look into USDC, USDT, UXD, USDH, PAI, NIRV, UST, DAI, FRAX)?
    -- Create a visualization showing the amount of transaction volume for USDC vs. USDT etc. do display popularity within Solana.
    -- For USDC and USDT specifically, breakdown the transaction activity by contract and exchange flows
    -- (i.e. which dapps and addresses hold the majority of USDC and USDT and what do cumulative flows to and from exchanges look like over time)?

    -- Reference these older dashboards by ltirrell and adriaparcerisas as examples:
    -- https://app.flipsidecrypto.com/dashboard/stablecoin-popularity-UOlg-v
    -- https://app.flipsidecrypto.com/dashboard/solana-stables-EJCpX0

    with
    sol_labels as (
    select 'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v' as token_address, 'USDC' as token union
    select 'Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB' as token_address, 'USDT' as token
    ),
    from_cex as (
    select
    block_timestamp,
    'inflow' as direction,
    label,
    token,
    amount
    from solana.core.fact_transfers t
    join sol_labels l on t.mint = l.token_address
    join solana.core.dim_labels l2 on l2.label_type = 'cex' and l2.address = tx_from
    ),
    to_cex as (
    select
    block_timestamp,
    'outflow' as direction,
    label,
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