On 2012 January 31 Tuesday, Luke-Jr wrote: > Both BIP 16 and 17 are backward compatible enough that people can continue > to use the old clients with each other. An upgrade is only required to > send to (or create/receive on) the new 3...-form addresses. That being Is that true? (I'm happy to be called wrong) It doesn't seem like it to me. The new transaction types will be rejected by old clients won't they? They don't pass IsStandard(). Andy -- Dr Andy Parkins andyparkins@gmail.com