Benchmarking ECDSA signing

Benchmarking: sign
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bindings x 16,793 ops/sec ±1.14% (87 runs sampled)
secp256k1js x 1,518 ops/sec ±1.37% (89 runs sampled)
elliptic x 1,236 ops/sec ±1.52% (88 runs sampled)
ecdsa x 47.98 ops/sec ±1.28% (61 runs sampled)

Elapsed 10.633 s
Per signature 1.0633 ms
Ops/sec 940.4683532399135

Elapsed 3.98730206489563 s
Per signature 3.9873020648956294 ms
Ops/sec 250.7961483038972