Symbio
Docs menu

How burns work

Burning holders’ coins

A coin can burn what its own holders hold. The people holding it decide, by what's in their wallets, which coins its fees burn.

How the picks are made

Every five minutes, the engine:

  1. Reads the coin’s 100 largest holders. Pools, the bonding curve and other program accounts don’t count.
  2. Reads every other token each of those wallets holds.
  3. Counts a holding only if it’s worth at least $10, so airdropped dust changes nothing.
  4. Keeps coins held by at least 3 of the top holders, with a market to buy on.
  5. Picks the 10 held by the most of them.

The coin’s page lists its current picks, and the share of its top holders holding each one.

How the burn is split

Each pick gets a share of the burn in proportion to how many top holders hold it. A coin held by 40% of them gets twice the burn of one held by 20%.

Each minute’s buy goes to the pick furthest behind its share, so over time the burns track the percentages. A pick whose buy fails sits out for 15 minutes and the others take its turns.

What’s never picked

  • SOL, wrapped SOL and SOL staking tokens.
  • Stablecoins, including any token priced at about $1 with a dollar or euro name.
  • Wrapped BTC and ETH, and tokenized stocks (xStocks such as NVDAx), which are backed by real assets.
  • The coin itself and $SYMBIO, which get their own shares.

Before there are picks

A new coin has few holders, so there may be nothing to pick yet. Until there is, its whole burn buys the coin itself, and the engine keeps checking every five minutes.

Picks change as holders change. A burn already sent always finishes on the coin it was buying.