Introducing DeFiMath - high-performance, open-source Solidity library designed for Ethereum smart contracts. It provides optimized, gas-efficient implementations of core DeFi primitives and mathematical utilities—built with precision and performance in mind.
Follow: @defi_math
Building options, perps, or structured products on EVM?
The math shouldn’t be your gas bottleneck.
DeFiMath: Black-Scholes in 2,729 gas, plus the cheapest exp/ln/sqrt primitives in Solidity. Open source.
https://t.co/trXkSJUGKf
DeFiMath v3.4.0 shipped 🚢
Pure-Solidity library for on-chain options pricing:
• Black-Scholes + full Greeks + IV solver
• Up to 5× cheaper than alternatives
• Sub-1e-12 precision, MIT-licensed, zero deps
• Now with property-based fuzz testing — 2.94M random executions per CI run
https://t.co/bbjXhtXVo2
Unlocking new features for #DeFi by sheer gas-optimization: you can now run Black-Scholes 10 times in the same transaction for less than 30k gas. Amazing!
DeFiMath 3.0.0 🚀
Two new on-chain modules now shipping:
📈 Rates — compounding, present value, IRR, YTM
📊 Stats — volatility, Sharpe, VaR/CVaR, max drawdown
Plus Black-Scholes at 2,876 gas and every precision number re-validated against independent references.
npm i defimath-lib
DeFiMath v1.0.4 is now shipped. Every function in the library got faster:
ln 508 → 375 (-26%)
sqrt 344 → 245 (-29%)
log2/log10 524 → 391 (-25%)
pow 885 → 750 (-15%)
options call 2927 → 2867
binary call 2142 → 2082
Bit-exact precision preserved against the JS reference. Cheapest Black-Scholes on EVM, now cheaper.
DeFiMath just got better - we added binary option pricing model, and it's really fast: only 2300 gas for cash-or-nothing call or put.
Great for prediction markets. Unlocks onchain calculations for autonomous contracts.
Check out our repo here: https://t.co/sWlk3O9bh7
More stuff to come. DefiMath is the fastest Solidity library for math and derivatives. If you are building something on Ethereum, you should check it out now:
We just added one more math function - pow()
As always, the focus was to implement it to be as fast as possible, without sacrificing precision.
DefiMath's derivatives and math library is here:
https://t.co/sWlk3O9bh7
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Ha this Hayek quote is on video "don't believe we shall ever have a good money again before we take the thing out of the hands of government, we can't take it violently out of the hands of govt, all we can do is by some sly roundabout way introduce something that they can't stop"