Long-form on lending, engineering, markets.
Notes from building Stratum. More posts on the way.
Why Stratum uses Bitfinex ledger data
Funding reports are easier to audit when every number traces back to Bitfinex ledger events.
Bitfinex FRR vs fixed funding rates
FRR follows the market; fixed funding locks the matched rate. Here is how to choose without guessing from APR alone.
Bitfinex funding fees and net returns
The 15% funding fee changes every headline rate. Here is the exact net-return math, with worked examples.
How to read the Bitfinex funding book
Bids, offers, the FRR queue, and what depth imbalance actually foreshadows — funding-book literacy for lenders.
Bitfinex lending vs DeFi & CeFi yield: where the interest actually comes from
Aave, CeFi earn, and exchange margin funding pay yield from different machines. Compare the machines, not last week’s APY screenshots.
Why Bitfinex funding rates spike — and who catches them
Spikes are made by leverage demand and gone in about an hour. The lenders who collect them are the ones already resting offers above market.
Build a Bitfinex lending bot in Python
A real, working lending bot in ~60 lines of Python — and an honest list of everything those 60 lines don’t handle.
Bitfinex funding rates: what 3 years of data actually says
Three years of hourly funding candles, one honest summary: what USD lending really paid, how long spikes last, and why rates snap back.
How to lend on Bitfinex: a step-by-step margin funding tutorial
What margin funding is, how the FRR and Auto-Renew work, manual lending step by step, the real risks, and how a rate-aware bot reprices and ladders offers.