Scaling Bitcoin On-Chain
summary
Panel lays out concrete levers: blockchain is ~427–428 GB and blocks average ~2,000 transactions; a full sync with assumevalid can be ~7 hours on a 32‑CPU machine. Taproot activation shifts outputs to single public keys (key‑path spends ≈58 vbytes vs ~107 vbytes for multisig) and enables schnorr signatures that let batch validation and later signature aggregation cut ~64 bytes of stored data (≈16 vbytes fee discount) per signature. PSBTs, native segwit shrinking inputs (≈126→108 vbytes), batching and wallet UX are the practical scaling wins today.
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chapters (6)
- 0:00Start
- 2:06What Do You See as the Key Challenges and Constraints around Scaling Bitcoin
- 23:24Signature Aggregation
- 24:14Key Aggregation
- 25:39Aggregate Transaction
- 43:54On-Time Scaling
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