1) No, Gavin (Bitcoin lead developer) says he wants to make the transaction and block size unlimited (or rather, let the miners limit it). This should keep fees

1) No, Gavin (Bitcoin lead developer) says he wants to make the transaction and block size unlimited (or rather, let the miners limit it). This should keep fees down. https://bitcointalk.org/index.php?topic=140233.40 https://bitcointalk.org/index.php?topic=140233.40 2) No, costs for the majority of transactions will not go up- in fact, they may go down. Most miners already charge different fees based on any given transaction's size. The fees range from about a half-cent USD to about two cents USD. If someone wants to send a 2MB transaction, the miners will be able to charge whatever transaction fee they choose for expedient processing.