Glossary

The words you'll see in Basement and in these docs, in alphabetical order. Each one links the page that explains it.

Term	Meaning
Account & security	The wallet screen for your sign-in email, passkeys, withdrawal addresses, locking withdrawals and "This wasn't me". See Account and security.
arena	One game's live stage, such as Skyball. Each arena runs one match at a time and numbers its own rounds. See The games.
B3	A crypto token on Base that you can use for picks and Drops instead of play credits. Its value moves, and you can lose the B3 you play with. See Real B3.
Basement address	Your own deposit address on Base. Send B3 on Base to it and Basement moves it into your balance. Basement runs it for you. See Deposit B3.
Basescan	The public explorer for the Base network. Deposit and withdrawal rows in the wallet link to it. See The vault and reserves.
bet slip	The column on the right of the screen on a computer, where you choose a side and an amount and follow your picks. See Basement on a computer.
bet strip	The bar at the bottom of a card on a phone, where you choose a side and an amount. See Picks.
bsmnt	The app's short name, shown on its home-screen icon, in share text and on the end card of a clip. See Install the app.
crew	The 15 voxel characters who compete in every arena. Who plays which role is shuffled each round. See The crew.
crowd split	The share of players backing each side, shown as "62% picks" once at least 3 other people have picked. It counts people, not amounts. See The feed.
daily refill	Free play credits you can claim once a day, from 1,000 on Day 1 up to 4,000 from Day 7. See Daily refill.
desk	Basement's layout on a computer: the arenas rail, the stage and the bet slip under one header. See Basement on a computer.
Drop	One tap during a live match that throws a random boost, shield or hazard onto a random competitor. You can throw up to 2 per round. See Drops.
free Drop	Your first 3 Drops each day cost nothing. They reset at 00:00 UTC. See Drops.
Game info	The sheet you open by tapping a card's title, or the ⓘ on a computer. It has the arena's rules and the Provably fair panel. See Provably fair.
GO	The moment a match goes live. Picks close just before it, and Drops open at it. See How a round works.
golden goal	Skyball's extra time when the squads are level at 39 seconds. The next goal wins, up to the 45-second cap. See Skyball.
handle	Your public name. It starts as a random one like RowdyCorgi37, and you can change it once a day. See Your handle.
house	The account on the other side of every pick. It pays winning picks and keeps losing ones. See Picks.
house margin	The 5% built into every payout: a two-way pick pays 1.9x instead of 2x. See How picks work.
Kingmaker	A Drop that decided the match. The player who threw it is named at the finish. See Drops.
lineup	The 8 seconds before GO, when the round's competitors face the camera. Picks are still open. See How a round works.
lock	A SHA-256 hash of the round's seed, published before picks open. Also called the commit. See Provably fair.
multiplier	What a winning pick pays back, stake included: 1.9x on a duel, 3.8x on a four-way round, 5.7x on a six-kart race. See Picks.
My bets	The sheet with your last 50 picks and their results. Open it from Bets. See How picks work.
passkey	A way to sign in, and to confirm it's you, with Face ID, a fingerprint or your screen lock instead of an emailed code. See Sign in.
pick	Choosing who wins a round, with play credits or B3. A real-B3 pick is a bet you can lose. See Picks.
play credits	Free credits for playing. They have no cash value and never turn into B3. See Play credits.
play-once rule	Deposited B3 has to be played once before it can be withdrawn. Winnings are never locked. See Withdraw B3.
provably fair	Each round's seed is locked in a hash before picks open and revealed after, so you can check it didn't change. See Provably fair.
replay	A finished round run again in your browser from its revealed seed and Drops. See Replays.
Rewards	The sheet in the bottom bar, or the tab at the top on a computer, with your daily refill, invites, streak, free Drops, today's rank and settings. See Daily refill.
round	One match in one arena, from the lineup to the result. Each round has a number. See How a round works.
salt	A random value mixed into the lock so nobody can work out the seed from the hash. See Provably fair.
seed	The random number that sets up a round and everything random in it, except Drops. See Provably fair.
streak	How many days in a row you've claimed the daily refill. Miss a day and it starts again at Day 1. See Daily refill.
sudden death	Extra time in Clash and Neon Knockout when the leaders are level at the bell. The next knockout, or the next clean hit in the ring, wins. See Clash.
theater	A view on a computer where the arenas rail steps out so the match gets more room. Press T. See Basement on a computer.
vault	Basement's contract on Base that holds players' B3. See The vault and reserves.
void	A round with no winner, after an exact tie or a problem on Basement's side. Every pick and Drop in it is refunded. See How a round works.
Wallet	The sheet you open by tapping your balance. It has your play credits and, on the B3 tab, sign-in, deposits, withdrawals and Account & security. See Play credits.
withdrawal address	An address you added to your account for withdrawals. A new one waits 2 hours to 3 days before it opens. See Withdraw B3.