MARA Slipstream Becomes a Permissionless Public Service, No Client Software Required
By: rootdata|2026/08/03 16:53:00
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MARA's Slipstream is now available as a permissionless public service, requiring no client software. This service is particularly important for users transferring funds from vulnerable COLDCARD wallets. Multi-signature expenditures expose all public keys and spending conditions; if the transaction enters the public mempool, attackers can immediately compare these keys with their pre-computed weak COLDCARD private key database and broadcast a double-spend transaction with higher fees before the transaction is confirmed, provided they control the majority of the keys. Slipstream submits transactions directly to miners, avoiding entry into the public mempool before being mined. MARA recommends using conservative fees to prevent transactions from getting stuck. Aside from standard Bitcoin network fees, this service is currently free.
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