Blockchain on Cricket's Scoreboard: From a Mymensingh Notebook to the Distributed Ledger

At the 2026 World Cup I logged 1,842 shots in 64 matches, watching each twice. France 4-3 Argentina: expected goals 2.1 vs 1.4, but the source was my handwritten notebook. Russia 2026 became a database before it became a memory. In Bangladesh domestic cricket, scorebooks still exist without audit trails. Blockchain promises a chain of proof. In 2026, as a journalism student in Mymensingh, I ran a blog called Expected Goals Mymensingh and logged 180 shots from 12 Bangladesh Premier League matches. Abahani Limited Dhaka won 2-0, but their expected goal was only 1.3. The post was read 4,000 times, yet my notebook was never audited. The notebook was my first model, and Mymensingh was my first laboratory. Today the biggest problem in cricket analytics is the missing link between data collection and storage. Blockchain can build that link. Every ball can be an event: Shakib Al Hasan's delivery, Mushfiqur Rahim's catch, Litton Das's stroke. Each event is hashed and linked to the next, creating a timestamped chain. Changing one ball changes the whole chain. In 2026 I logged shots without any immutable record; when I made an error, I silently corrected it. Blockchain makes corrections visible. The second layer is scorecard provenance. Each innings becomes a block. Corrections become new blocks with old values still visible. This archive matters for journalists, selectors and betting analysts. The third layer is betting settlement. Smart contracts can verify match results and release payouts automatically. In 2026, empty stadiums broke my home-advantage model; the coefficient fell from 0.41 to 0.17. A smart contract could preserve the uncertainty range instead of hiding it. The fourth layer is player contracts and auctions. BPL, IPL or BCL auctions involve large money but scattered paperwork. Smart contracts can automate match appearances, fitness criteria and salary installments. No technology makes good decisions from bad data. Blockchain does not create truth; it makes records immutable. If a scorer records a four as two, the chain will eternalize that error. The broken model taught me more than the accurate one ever did. Technology alone is not a silver bullet. Infrastructure costs also matter. Many Bangladeshi grounds lack stable electricity and internet. A small pilot in the BPL is better than a rushed national rollout. I trust numbers, but only after they have survived a cold night of rechecking. The real question is whether Bangladesh cricket can tolerate an immutable present.