Any honest casino review written for a UK audience has to start with the licence, not the bonus. Jackbit holds a Curaçao licence, not a UK Gambling Commission licence. That single fact changes the protections you can rely on.
What you do not get on a Curaçao licence. No UKGC complaints route through an approved ADR body. No GamStop coverage, so a national self-exclusion registered elsewhere will not block this account. No statutory affordability checks, no UK advertising rules on bonus wording, and no protection under the UKGC's rules on how customer funds must be held (segregated cold storage here is an operator policy, not a licence condition enforced by a British regulator).
What you still get. A verifiable licence number you can look up, published bonus terms, voluntary deposit, loss and session limits, and self-exclusion inside account settings. GBP appears as a display currency, although the money itself moves as crypto.
British players tend to expect three things from an online casino: fast payouts, plain-English terms, and a regulator behind the site. Jackbit delivers on the first two better than many crypto casinos. On the third, it does not, and no amount of testing changes that.