Matej Trampuš & Steve Shadders

Nano services and dust return transactions + long chain

Tiny, unspendable amounts of bitcoin once clogged wallets. Now, they can be consolidated to power entirely new business models called nano services.

Nano services and dust return transactions + long chain
#1about 8 minutes

Understanding and mitigating Bitcoin dusting attacks

Dusting attacks compromise user privacy by linking addresses, but new dust return transactions solve this by allowing users to donate dust to miners.

#2about 8 minutes

Enabling nano services with consolidation transactions

Consolidation transactions allow service providers to bundle many small, uneconomic payments into a single useful output with zero fees, enabling new business models.

#3about 5 minutes

Rules for building valid consolidation transactions

To create a valid zero-fee consolidation transaction, follow specific rules of thumb, such as using at least 100 inputs to one output and ensuring inputs are confirmed.

#4about 8 minutes

Scaling Bitcoin by removing the ancestor limit

Removing the 25-transaction ancestor limit required architectural changes like a new block assembler and a split mempool to enable long transaction chains.

#5about 5 minutes

A robust mechanism for double spend notifications

A new protocol uses a special OP_RETURN output with callback server IPs to notify merchants of double spend attempts, even those deep within the network.

#6about 2 minutes

Performance improvements in recent BSV node versions

Recent node software updates have increased the ancestor count limit to 10,000 and improved performance for complex transaction graphs, with more enhancements planned.

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