$ cat writeup.md…
$ cat writeup.md…
spbctf
Task: Elliptic curve point addition on y² = x³ - 7x + 10 over GF(97), given points P(3,4) and Q(87,27). Solution: Apply standard ECC point addition formulas to compute P + Q = (13, 51), flag is concatenated coordinates REDACTED.
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