Borrow against BITCOIN the token

This is not bitcoin

The token trading as BITCOIN at 0x72e4f9f808c49a2a61de9c5896298920dc4eeea9 reports its name on-chain as HarryPotterObamaSonic10Inu. It is an ERC-20 on Ethereum that took the ticker, and it has no connection to the bitcoin network, to any wrapped bitcoin, or to the assets Teller lists as WBTC, cbBTC and BTCB.

If you came here looking to borrow against actual bitcoin, the pages you want are WBTC, cbBTC and BTCB. Those carry ceilings around 66.7%. This row does not.

Eight decimals, which makes the resemblance worse

Most ERC-20s use eighteen decimals. This one uses eight, the same as bitcoin, with a total supply of exactly 1,000,000,000. A balance rendered from this contract therefore has the same shape as a bitcoin balance, which is the sort of coincidence that turns a quick glance into a wrong deposit.

Read the contract before you approve anything: name, symbol, decimals and supply each resolve in one call. The pool enforces the address, so a mistake fails at the deposit rather than costing you the collateral, but the check takes a second and saves the round trip.

Three tickers, two chains, one project

Teller accepts this project on Ethereum and on Base, and records it under three different tickers. Ethereum lists it as BITCOIN, matching the contract. Base lists the same asset twice, as HPOS10I and as EDGE, and neither matches the symbol that contract returns, which is also BITCOIN.

The Base contract sits at 0x2a06a17cbc6d0032cac2c6696da90f29d39a1a29 with about 11,097,456 tokens against the billion on Ethereum. Two separate Base pools accept it at different ceilings, 15.4% and 22.2%, and the table folds them into one row showing the better of the two.

So a ticker search can return one row, another, or nothing, depending on the spelling you try. That is what address-first matching is for, and it is why this page covers both chains rather than leaving the Base rows stranded under names nobody would search.

The terms match the asset, not the ticker

This row clears 16.7% of collateral value at 45% APR, which places it with Ethereum’s long tail rather than with the bitcoin wrappers. The operator priced what the token is.

Deposit it, receive USDC, repay or roll on the due date. Every loan is fixed-term with no margin-call, so a price fall during the loan cannot liquidate your collateral. Miss the due date and the collateral is forfeit. The pool is on Ethereum, so budget mainnet gas across the approval and the borrow.

The Ethereum memecoin page covers the rest of this tier.