Kalle Rosenbaum's Grokking Bitcoin at Manning currently shows 25% off both eBook ($44.99 to $33.74) and print ($49.99 to $37.49) formats without any code. Crypto: No crypto payment; card only..
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25% off (eBook $44.99 -> $33.74; print $49.99 -> $37.49)
Automatic discount shown on the Manning book page at time of check; no coupon code required.
found at manning.com · checked 2026-09-28
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