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From: simondev1 <random@gmx.ch>
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Subject: [bitcoin-dev] new BIP: Self balancing between excessively low/high
fees and block size
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<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div style="font-family: Verdana;font-size: 12.0px;">
<div class="signature">
<div class="signature">
<div>Dear bitcoin developers,</div>
<div> </div>
<div>New BIP: <a href="https://github.com/bitcoin/bips/pull/774" target="_blank">https://github.com/bitcoin/bips/pull/774</a></div>
<div> </div>
<div>==Abstract==</div>
<div>Logarithm of transaction fee limits block size.</div>
<div> </div>
<div>==Motivation==</div>
<div>Keep block space small.<br/>
Waste less with spam transactions.<br/>
Auto balance Fees: Increase very low fees, Descrease very high fees.<br/>
Allow larger size when sender pays a lot.<br/>
Allow wallets to calculate/display how much average free block space there is for each fee price.<br/>
Allow senders to have more control about how the fee/priority of their transaction will behave, especially in the case of increased adoption in the future.</div>
<div> </div>
<div>==Specification==</div>
<div>Every transaction has to fit into the following block space:</div>
<div>Input variable 'FeeInSatoshiPerByte': Must be positive or 0<br/>
type: double<br/>
unit: Satishi per byte<br/>
Output:<br/>
type: uint<br/>
unit: bytes<br/>
Formula:<br/>
floor( log10( 1.1 + FeeInSatoshiPerByte ) * 1024 * 1024 )</div>
<div> </div>
<div>==Implementation==</div>
<div>Sort transactions by FeeInSatoshiPerByte (lowest first)<br/>
For each transaction starting from lowest FeeInSatoshiPerByte: Sum up the bytes of space used so far. Check if summed up bytes of space used so far is smaller or equal than the formula result.<br/>
If this is valid for each transaction then the blocksize is valid.</div>
<div> </div>
<div>==Backward compatibility==</div>
<div>Soft fork: If applied AND old hardcoded block size limit is kept.</div>
<div>Hard fork: If applied AND old hardcoded block size limit is removed.</div>
<div><br/>
Regards, simondev1</div>
<div> </div>
</div>
</div>
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